{"id":57,"date":"2022-08-16T19:46:09","date_gmt":"2022-08-16T23:46:09","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/math022\/chapter\/addition\/"},"modified":"2025-07-10T01:20:23","modified_gmt":"2025-07-10T05:20:23","slug":"addition","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/math022\/chapter\/addition\/","title":{"raw":"Topic A: Addition","rendered":"Topic A: Addition"},"content":{"raw":"Addition puts amounts together. The answer of addition is called the sum or the total.\r\n\r\nThe plus sign + means to add.\r\n\r\n\"\"\r\n

3 + 2 = 5 says three plus two equals five<\/strong> or three and two is five.<\/strong><\/p>\r\nThe sum<\/strong> is 5.\r\n

\r\n

Exercise One<\/p>\r\n\r\n<\/header>\r\n

\r\n\r\nCheck out your addition facts by doing this exercise as quickly as possible without counting. The highest total or sum (what the numbers add up to) for these number facts is 20. Check your work using the answer key at the end of the exercise. Then, make a list of any addition facts you do not know or which are slow \u2013 practice them. If you feel you need more practice, see your instructor.\r\n
    \r\n \t
  1. [latex]\\begin{array}[t]{rr}&6 \\\\+& 7\\\\ \\hline&13\\end{array}[\/latex]<\/li>\r\n \t
  2. [latex]\\begin{array}[t]{rr}&8\\\\+& 3\\\\ \\hline&11\\end{array}[\/latex]<\/li>\r\n \t
  3. [latex]\\begin{array}[t]{rr}&4\\\\ +& 2\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  4. [latex]\\begin{array}[t]{rr}&8\\\\ + &7 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  5. [latex]\\begin{array}[t]{rr}&1\\\\ +& 2 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  6. [latex]\\begin{array}[t]{rr}&6\\\\ +& 4 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  7. [latex]\\begin{array}[t]{rr}&5\\\\ +& 8 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  8. [latex]\\begin{array}[t]{rr}&2\\\\+& 5 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  9. [latex]\\begin{array}[t]{rr}&7\\\\ + &6\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  10. [latex]\\begin{array}[t]{rr}&0\\\\ +&3\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  11. [latex]\\begin{array}[t]{rr}&9\\\\ + &7 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
  12. [latex]\\begin{array}[t]{rr}&7\\\\ +& 2 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise One<\/strong>\r\n
      \r\n \t
    1. 13<\/li>\r\n \t
    2. 11<\/li>\r\n \t
    3. 6<\/li>\r\n \t
    4. 15<\/li>\r\n \t
    5. 3<\/li>\r\n \t
    6. 10<\/li>\r\n \t
    7. 13<\/li>\r\n \t
    8. 7<\/li>\r\n \t
    9. 13<\/li>\r\n \t
    10. 3<\/li>\r\n \t
    11. 16<\/li>\r\n \t
    12. 9<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n

      Addition of Larger Numbers<\/h1>\r\nUse these steps to complete each addition question.\r\n
        \r\n \t
      • Step 1: Add the ones to the ones.<\/li>\r\n \t
      • Step 2: Add the tens to the tens.<\/li>\r\n \t
      • Step 3: Add the hundreds to the hundreds.<\/li>\r\n \t
      • Step 4: Add the thousands to the thousands.<\/li>\r\n \t
      • Step 5: Add the ten thousands to the ten thousands.<\/li>\r\n<\/ul>\r\n
        \r\n

        Example A: 23 + 56 =<\/p>\r\n\r\n<\/header>\r\n

        \r\n\r\nStep 1: Add the ones to the ones. 3 ones + 6 ones = 9 ones\r\n\r\n[latex]\\begin{array}[t]{rr}&23\\\\+&56\\\\ \\hline&9\\end{array}[\/latex]\r\n\r\nWrite the answer in line with the ones in the question.\r\n\r\nStep 2: Add the tens. 2 tens + 5 tens = 7 tens\r\n\r\n[latex]\\begin{array}[t]{rr}&23\\\\+ &56\\\\ \\hline&79\\end{array}[\/latex]\r\n\r\nThe sum of 23 + 56 = 79\r\n\r\n<\/div>\r\n<\/div>\r\n
        \r\n

        Exercise Two<\/p>\r\n\r\n<\/header>\r\n

        \r\n\r\nFind the sums. Check your work using the answer key at the end of the exercise.\r\n
          \r\n \t
        1. [latex]\\begin{array}[t]{rr}&37\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        2. [latex]\\begin{array}[t]{rr}&55\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        3. [latex]\\begin{array}[t]{rr}&70\\\\+&17\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        4. [latex]\\begin{array}[t]{rr}&27\\\\+&32\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        5. [latex]\\begin{array}[t]{rr}&87\\\\+&12\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        6. [latex]\\begin{array}[t]{rr}&33\\\\+&64\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        7. [latex]\\begin{array}[t]{rr}&44\\\\+&50\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        8. [latex]\\begin{array}[t]{rr}&34\\\\+&11\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        9. [latex]\\begin{array}[t]{rr}&51\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        10. [latex]\\begin{array}[t]{rr}&12\\\\+&46\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        11. [latex]\\begin{array}[t]{rr}&17\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        12. [latex]\\begin{array}[t]{rr}&70\\\\+&28\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        13. [latex]\\begin{array}[t]{rr}&54\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        14. [latex]\\begin{array}[t]{rr}&62\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        15. [latex]\\begin{array}[t]{rr}&15\\\\+&12\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        16. [latex]\\begin{array}[t]{rr}&45\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        17. [latex]\\begin{array}[t]{rr}&23\\\\+&64\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        18. [latex]\\begin{array}[t]{rr}&53\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        19. [latex]\\begin{array}[t]{rr}&60\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        20. [latex]\\begin{array}[t]{rr}&49\\\\+&10\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        21. [latex]\\begin{array}[t]{rr}&75\\\\+&13\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        22. [latex]\\begin{array}[t]{rr}&58\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        23. [latex]\\begin{array}[t]{rr}&31\\\\+&28\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
        24. [latex]\\begin{array}[t]{rr}&24\\\\+&13\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Two<\/strong>\r\n
            \r\n \t
          1. 79<\/li>\r\n \t
          2. 77<\/li>\r\n \t
          3. 87<\/li>\r\n \t
          4. 59<\/li>\r\n \t
          5. 99<\/li>\r\n \t
          6. 97<\/li>\r\n \t
          7. 94<\/li>\r\n \t
          8. 45<\/li>\r\n \t
          9. 74<\/li>\r\n \t
          10. 58<\/li>\r\n \t
          11. 38<\/li>\r\n \t
          12. 98<\/li>\r\n \t
          13. 77<\/li>\r\n \t
          14. 76<\/li>\r\n \t
          15. 27<\/li>\r\n \t
          16. 68<\/li>\r\n \t
          17. 87<\/li>\r\n \t
          18. 95<\/li>\r\n \t
          19. 83<\/li>\r\n \t
          20. 59<\/li>\r\n \t
          21. 88<\/li>\r\n \t
          22. 79<\/li>\r\n \t
          23. 59<\/li>\r\n \t
          24. 37<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
            \r\n

            Exercise Three<\/p>\r\n\r\n<\/header>\r\n

            \r\n\r\nFind the sums. Check your work using the answer key at the end of the exercise.\r\n
              \r\n \t
            1. [latex]\\begin{array}[t]{rr}&32\\\\+&64\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            2. [latex]\\begin{array}[t]{rr}&23\\\\+&54\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            3. [latex]\\begin{array}[t]{rr}&61\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            4. [latex]\\begin{array}[t]{rr}&83\\\\+&11\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            5. [latex]\\begin{array}[t]{rr}&32\\\\+&45\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            6. [latex]\\begin{array}[t]{rr}&63\\\\+&33\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            7. [latex]\\begin{array}[t]{rr}&75\\\\+&24\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            8. [latex]\\begin{array}[t]{rr}&46\\\\+&12\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            9. [latex]\\begin{array}[t]{rr}&44\\\\+&35\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            10. [latex]\\begin{array}[t]{rr}&25\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            11. [latex]\\begin{array}[t]{rr}&41\\\\+&38\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            12. [latex]\\begin{array}[t]{rr}&54\\\\+&45\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            13. [latex]\\begin{array}[t]{rr}&25\\\\+&32\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            14. [latex]\\begin{array}[t]{rr}&35\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            15. [latex]\\begin{array}[t]{rr}&32\\\\+&44\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            16. [latex]\\begin{array}[t]{rr}&22\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            17. [latex]\\begin{array}[t]{rr}&57\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            18. [latex]\\begin{array}[t]{rr}&42\\\\+&54\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            19. [latex]\\begin{array}[t]{rr}&34\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            20. [latex]\\begin{array}[t]{rr}&25\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            21. [latex]\\begin{array}[t]{rr}&13\\\\+&41\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            22. [latex]\\begin{array}[t]{rr}&60\\\\+&25\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            23. [latex]\\begin{array}[t]{rr}&34\\\\+&62\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
            24. [latex]\\begin{array}[t]{rr}&77\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Three<\/strong>\r\n
                \r\n \t
              1. 96<\/li>\r\n \t
              2. 77<\/li>\r\n \t
              3. 83<\/li>\r\n \t
              4. 94<\/li>\r\n \t
              5. 77<\/li>\r\n \t
              6. 96<\/li>\r\n \t
              7. 99<\/li>\r\n \t
              8. 58<\/li>\r\n \t
              9. 79<\/li>\r\n \t
              10. 67<\/li>\r\n \t
              11. 79<\/li>\r\n \t
              12. 99<\/li>\r\n \t
              13. 57<\/li>\r\n \t
              14. 77<\/li>\r\n \t
              15. 76<\/li>\r\n \t
              16. 36<\/li>\r\n \t
              17. 78<\/li>\r\n \t
              18. 96<\/li>\r\n \t
              19. 57<\/li>\r\n \t
              20. 67<\/li>\r\n \t
              21. 54<\/li>\r\n \t
              22. 85<\/li>\r\n \t
              23. 96<\/li>\r\n \t
              24. 98<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
                \r\n\r\nTo add three or more numbers together, use the following steps.\r\n
                  \r\n \t
                • Step 1: Add the ones to the ones.<\/li>\r\n \t
                • Step 2: Add the tens to the tens.<\/li>\r\n \t
                • Step 3: Add the hundreds to the hundreds.<\/li>\r\n \t
                • Step 4: Add the thousands to the thousands.<\/li>\r\n \t
                • Step 5: Add the ten thousands to the ten thousands.<\/li>\r\n<\/ul>\r\n<\/div>\r\n
                  \r\n

                  Example B: 24 + 52 + 73=<\/p>\r\n\r\n<\/header>\r\n

                  \r\n\r\nStep 1: Add the ones. 4 ones + 2 ones + 3 ones = 9<\/em> ones\r\n\r\n[latex]\\begin{array}[t]{rr}&24\\\\&52\\\\+&73\\\\ \\hline&9\\end{array}[\/latex]\r\n\r\nStep 2: Add the tens. 2 tens + 5 tens + 7 ten = 14<\/strong> tens\r\n\r\n[latex]\\begin{array}[t]{rr}&24\\\\&52\\\\+&73\\\\ \\hline&149\\end{array}[\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n
                  \r\n

                  Exercise Four<\/p>\r\n\r\n<\/header>\r\n

                  \r\n
                    \r\n \t
                  1. [latex]\\begin{array}[t]{rr}&21\\\\&34\\\\+&44\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  2. [latex]\\begin{array}[t]{rr}&11\\\\&61\\\\+&15\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  3. [latex]\\begin{array}[t]{rr}&23\\\\&35\\\\+&41\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  4. [latex]\\begin{array}[t]{rr}&20\\\\&43\\\\+&36\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  5. [latex]\\begin{array}[t]{rr}&13\\\\&42\\\\+&34\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  6. [latex]\\begin{array}[t]{rr}&33\\\\&64\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  7. [latex]\\begin{array}[t]{rr}&44\\\\&50\\\\+&24\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  8. [latex]\\begin{array}[t]{rr}&37\\\\&42\\\\+&10\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  9. [latex]\\begin{array}[t]{rr}&55\\\\&24\\\\+&30\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  10. [latex]\\begin{array}[t]{rr}&82\\\\&17\\\\+&50\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  11. [latex]\\begin{array}[t]{rr}&45\\\\&32\\\\+&52\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  12. [latex]\\begin{array}[t]{rr}&70\\\\&21\\\\+&48\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  13. [latex]\\begin{array}[t]{rr}&12\\\\&54\\\\+&62\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  14. [latex]\\begin{array}[t]{rr}&25\\\\&61\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  15. [latex]\\begin{array}[t]{rr}&32\\\\&23\\\\+&94\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  16. [latex]\\begin{array}[t]{rr}&33\\\\&55\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  17. [latex]\\begin{array}[t]{rr}&31\\\\&12\\\\+&85\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  18. [latex]\\begin{array}[t]{rr}&41\\\\&31\\\\+&87\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  19. [latex]\\begin{array}[t]{rr}&17\\\\&42\\\\+&50\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  20. [latex]\\begin{array}[t]{rr}&56\\\\&31\\\\+&82\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  21. [latex]\\begin{array}[t]{rr}&32\\\\&45\\\\+&51\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  22. [latex]\\begin{array}[t]{rr}&24\\\\&65\\\\+&30\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  23. [latex]\\begin{array}[t]{rr}&51\\\\&27\\\\+&41\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                  24. [latex]\\begin{array}[t]{rr}&22\\\\&14\\\\+&31\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Four<\/strong>\r\n
                      \r\n \t
                    1. 99<\/li>\r\n \t
                    2. 87<\/li>\r\n \t
                    3. 99<\/li>\r\n \t
                    4. 99<\/li>\r\n \t
                    5. 89<\/li>\r\n \t
                    6. 119<\/li>\r\n \t
                    7. 118<\/li>\r\n \t
                    8. 89<\/li>\r\n \t
                    9. 109<\/li>\r\n \t
                    10. 149<\/li>\r\n \t
                    11. 129<\/li>\r\n \t
                    12. 139<\/li>\r\n \t
                    13. 128<\/li>\r\n \t
                    14. 108<\/li>\r\n \t
                    15. 149<\/li>\r\n \t
                    16. 109<\/li>\r\n \t
                    17. 128<\/li>\r\n \t
                    18. 159<\/li>\r\n \t
                    19. 109<\/li>\r\n \t
                    20. 169<\/li>\r\n \t
                    21. 128<\/li>\r\n \t
                    22. 119<\/li>\r\n \t
                    23. 119<\/li>\r\n \t
                    24. 67<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
                      \r\n

                      Exercise Five<\/p>\r\n\r\n<\/header>\r\n

                      \r\n\r\nFind the sums. Check your work using the answer key at the end of the exercise.\r\n
                        \r\n \t
                      1. [latex]\\begin{array}[t]{rr}&32\\\\&53\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      2. [latex]\\begin{array}[t]{rr}&42\\\\&25\\\\+&11\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      3. [latex]\\begin{array}[t]{rr}&24\\\\&81\\\\+&13\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      4. [latex]\\begin{array}[t]{rr}&52\\\\&24\\\\+&63\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      5. [latex]\\begin{array}[t]{rr}&54\\\\&23\\\\+&71\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      6. [latex]\\begin{array}[t]{rr}&25\\\\&60\\\\+&84\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      7. [latex]\\begin{array}[t]{rr}&41\\\\&32\\\\+&96\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      8. [latex]\\begin{array}[t]{rr}&31\\\\&43\\\\+&85\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      9. [latex]\\begin{array}[t]{rr}&15\\\\&52\\\\+&82\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      10. [latex]\\begin{array}[t]{rr}&43\\\\&21\\\\+&52\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      11. [latex]\\begin{array}[t]{rr}&81\\\\&16\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      12. [latex]\\begin{array}[t]{rr}&56\\\\&31\\\\+&92\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      13. [latex]\\begin{array}[t]{rr}&37\\\\&12\\\\+&80\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      14. [latex]\\begin{array}[t]{rr}&63\\\\&25\\\\+&70\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      15. [latex]\\begin{array}[t]{rr}&70\\\\&24\\\\+&65\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      16. [latex]\\begin{array}[t]{rr}&25\\\\&41\\\\+&73\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      17. [latex]\\begin{array}[t]{rr}&41\\\\&66\\\\+&32\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      18. [latex]\\begin{array}[t]{rr}&24\\\\&33\\\\+&62\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      19. [latex]\\begin{array}[t]{rr}&52\\\\&45\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      20. [latex]\\begin{array}[t]{rr}&71\\\\&16\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      21. [latex]\\begin{array}[t]{rr}&64\\\\&12\\\\+&90\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      22. [latex]\\begin{array}[t]{rr}&55\\\\&21\\\\+&43\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      23. [latex]\\begin{array}[t]{rr}&26\\\\&61\\\\+&82\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                      24. [latex]\\begin{array}[t]{rr}&44\\\\&53\\\\+&31\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Five<\/strong>\r\n
                          \r\n \t
                        1. 99<\/li>\r\n \t
                        2. 78<\/li>\r\n \t
                        3. 118<\/li>\r\n \t
                        4. 139<\/li>\r\n \t
                        5. 148<\/li>\r\n \t
                        6. 169<\/li>\r\n \t
                        7. 169<\/li>\r\n \t
                        8. 159<\/li>\r\n \t
                        9. 149<\/li>\r\n \t
                        10. 116<\/li>\r\n \t
                        11. 139<\/li>\r\n \t
                        12. 179<\/li>\r\n \t
                        13. 129<\/li>\r\n \t
                        14. 158<\/li>\r\n \t
                        15. 159<\/li>\r\n \t
                        16. 139<\/li>\r\n \t
                        17. 139<\/li>\r\n \t
                        18. 119<\/li>\r\n \t
                        19. 118<\/li>\r\n \t
                        20. 129<\/li>\r\n \t
                        21. 166<\/li>\r\n \t
                        22. 119<\/li>\r\n \t
                        23. 169<\/li>\r\n \t
                        24. 128<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
                          \r\n\r\nUse these steps to complete each addition question.\r\n
                            \r\n \t
                          • Step 1: Add the ones to the ones.<\/li>\r\n \t
                          • Step 2: Add the tens to the tens.<\/li>\r\n \t
                          • Step 3: Add the hundreds to the hundreds.<\/li>\r\n<\/ul>\r\n<\/div>\r\n
                            \r\n

                            Example C: 372 + 415<\/p>\r\n\r\n<\/header>\r\n

                            \r\n\r\nStep 1: Add the ones. 2 ones + 5 ones = 7 ones\r\n\r\n[latex]\\begin{array}[t]{rr}&372\\\\+&415\\\\ \\hline& 7\\end{array}[\/latex]\r\n\r\nStep 2: Add the tens. 7 tens + 1 ten = 8 tens\r\n\r\n[latex]\\begin{array}[t]{rr}&372\\\\+&415\\\\ \\hline&87 \\end{array}[\/latex]\r\n\r\nStep 3: Add the hundreds. 3 hundreds + 4 hundreds = 7 hundreds\r\n\r\n[latex]\\begin{array}[t]{rr}&372\\\\+&415\\\\ \\hline&787 \\end{array}[\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n
                            \r\n

                            Exercise Six<\/p>\r\n\r\n<\/header>\r\n

                            \r\n\r\nFind the sums. Check your work using the answer key at the end of the exercise.\r\n
                              \r\n \t
                            1. [latex]\\begin{array}[t]{rr}&324\\\\+&865\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            2. [latex]\\begin{array}[t]{rr}&514\\\\+&274\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            3. [latex]\\begin{array}[t]{rr}&673\\\\+&326\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            4. [latex]\\begin{array}[t]{rr}&603\\\\+&375\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            5. [latex]\\begin{array}[t]{rr}&174\\\\+&922\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            6. [latex]\\begin{array}[t]{rr}&250\\\\+&618\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            7. [latex]\\begin{array}[t]{rr}&506\\\\+&182\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            8. [latex]\\begin{array}[t]{rr}&514\\\\+&482\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            9. [latex]\\begin{array}[t]{rr}&738\\\\+&510\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            10. [latex]\\begin{array}[t]{rr}&321\\\\+&358\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            11. [latex]\\begin{array}[t]{rr}&215\\\\+&584\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            12. [latex]\\begin{array}[t]{rr}&416\\\\+&352\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            13. [latex]\\begin{array}[t]{rr}&167\\\\+&522\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            14. [latex]\\begin{array}[t]{rr}&315\\\\+&573\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            15. [latex]\\begin{array}[t]{rr}&156\\\\+&732\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            16. [latex]\\begin{array}[t]{rr}&713\\\\+&256\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            17. [latex]\\begin{array}[t]{rr}&135\\\\+&564\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            18. [latex]\\begin{array}[t]{rr}&105\\\\+&632\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            19. [latex]\\begin{array}[t]{rr}&253\\\\+&644\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            20. [latex]\\begin{array}[t]{rr}&535\\\\+&442\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            21. [latex]\\begin{array}[t]{rr}&168\\\\+&421\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            22. [latex]\\begin{array}[t]{rr}&834\\\\+&162\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            23. [latex]\\begin{array}[t]{rr}&422\\\\+&361\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                            24. [latex]\\begin{array}[t]{rr}&327\\\\+&462\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Six<\/strong>\r\n
                                \r\n \t
                              1. 1189<\/span><\/li>\r\n \t
                              2. 788<\/li>\r\n \t
                              3. 999<\/li>\r\n \t
                              4. 978<\/li>\r\n \t
                              5. 1096<\/span><\/li>\r\n \t
                              6. 868<\/li>\r\n \t
                              7. 688<\/li>\r\n \t
                              8. 996<\/li>\r\n \t
                              9. 1248<\/span><\/li>\r\n \t
                              10. 679<\/li>\r\n \t
                              11. 799<\/li>\r\n \t
                              12. 768<\/li>\r\n \t
                              13. 689<\/li>\r\n \t
                              14. 888<\/li>\r\n \t
                              15. 888<\/li>\r\n \t
                              16. 969<\/li>\r\n \t
                              17. 699<\/li>\r\n \t
                              18. 737<\/li>\r\n \t
                              19. 897<\/li>\r\n \t
                              20. 977<\/li>\r\n \t
                              21. 589<\/li>\r\n \t
                              22. 996<\/li>\r\n \t
                              23. 783<\/li>\r\n \t
                              24. 789<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
                                \r\n

                                Exercise Seven<\/p>\r\n\r\n<\/header>\r\n

                                \r\n\r\nFind the sums. Check your work using the answer key at the end of the exercise.\r\n
                                  \r\n \t
                                1. [latex]\\begin{array}[t]{rr}&754\\\\+&231\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                2. [latex]\\begin{array}[t]{rr}&410\\\\+&257\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                3. [latex]\\begin{array}[t]{rr}&653\\\\+&142\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                4. [latex]\\begin{array}[t]{rr}&815\\\\+&170\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                5. [latex]\\begin{array}[t]{rr}&243\\\\+&146\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                6. [latex]\\begin{array}[t]{rr}&615\\\\+&303\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                7. [latex]\\begin{array}[t]{rr}&124\\\\+&762\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                8. [latex]\\begin{array}[t]{rr}&451\\\\+&206\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                9. [latex]\\begin{array}[t]{rr}&705\\\\+&261\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                10. [latex]\\begin{array}[t]{rr}&627\\\\+&512\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                11. [latex]\\begin{array}[t]{rr}&357\\\\+&130\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                12. [latex]\\begin{array}[t]{rr}&725\\\\+&273\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                13. [latex]\\begin{array}[t]{rr}&753\\\\+&902\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                14. [latex]\\begin{array}[t]{rr}&425\\\\+&203\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                15. [latex]\\begin{array}[t]{rr}&652\\\\+&137\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                16. [latex]\\begin{array}[t]{rr}&357\\\\+&132\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                17. [latex]\\begin{array}[t]{rr}&675\\\\+&214\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                18. [latex]\\begin{array}[t]{rr}&802\\\\+&254\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                19. [latex]\\begin{array}[t]{rr}&524\\\\+&321\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                20. [latex]\\begin{array}[t]{rr}&723\\\\+&306\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                21. [latex]\\begin{array}[t]{rr}&243\\\\+&152\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                22. [latex]\\begin{array}[t]{rr}&145\\\\+&213\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                23. [latex]\\begin{array}[t]{rr}&262\\\\+&321\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                24. [latex]\\begin{array}[t]{rr}&525\\\\+&131\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Seven<\/strong>\r\n
                                    \r\n \t
                                  1. 985<\/li>\r\n \t
                                  2. 667<\/li>\r\n \t
                                  3. 795<\/li>\r\n \t
                                  4. 985<\/li>\r\n \t
                                  5. 389<\/li>\r\n \t
                                  6. 918<\/li>\r\n \t
                                  7. 886<\/li>\r\n \t
                                  8. 657<\/li>\r\n \t
                                  9. 966<\/li>\r\n \t
                                  10. 1139<\/span><\/li>\r\n \t
                                  11. 487<\/li>\r\n \t
                                  12. 998<\/li>\r\n \t
                                  13. 1 655<\/li>\r\n \t
                                  14. 628<\/li>\r\n \t
                                  15. 789<\/li>\r\n \t
                                  16. 489<\/li>\r\n \t
                                  17. 889<\/li>\r\n \t
                                  18. 1056<\/span><\/li>\r\n \t
                                  19. 845<\/li>\r\n \t
                                  20. 1029<\/span><\/li>\r\n \t
                                  21. 395<\/li>\r\n \t
                                  22. 358<\/li>\r\n \t
                                  23. 583<\/li>\r\n \t
                                  24. 656<\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
                                    \r\n\r\nTo add three or more numbers together, use the following steps.\r\n
                                      \r\n \t
                                    • Step 1: Add the ones to the ones.<\/li>\r\n \t
                                    • Step 2: Add the tens to the tens.<\/li>\r\n \t
                                    • Step 3: Add the hundreds to the hundreds.<\/li>\r\n \t
                                    • and so on ....<\/li>\r\n<\/ul>\r\n<\/div>\r\n
                                      \r\n

                                      Example D: 372 + 415 + 210<\/p>\r\n\r\n<\/header>\r\n

                                      \r\n\r\nStep 1: Add the ones. 2 ones + 5 ones + 0 ones = 7 ones\r\n\r\n[latex]\\begin{array}[t]{rr}&372\\\\&415\\\\+&210\\\\ \\hline&7 \\end{array}[\/latex]\r\n\r\nStep 2: Add the tens. 7 tens + 1 ten + 1 ten = 9 tens\r\n\r\n[latex]\\begin{array}[t]{rr}&372\\\\&415\\\\+&210\\\\ \\hline&97 \\end{array}[\/latex]\r\n\r\nStep 3: Add the hundreds. 3 hundreds + 4 hundreds + 2 hundreds = 9 hundreds\r\n\r\n[latex]\\begin{array}[t]{rr}&372\\\\&415\\\\+&210\\\\ \\hline&997 \\end{array}[\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n
                                      \r\n

                                      Exercise Eight<\/p>\r\n\r\n<\/header>\r\n

                                      \r\n
                                        \r\n \t
                                      1. [latex]\\begin{array}[t]{rr}&345\\\\&132\\\\+&421\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      2. [latex]\\begin{array}[t]{rr}&524\\\\&630\\\\+&721\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      3. [latex]\\begin{array}[t]{rr}&305\\\\&131\\\\+&422\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      4. [latex]\\begin{array}[t]{rr}&214\\\\&341\\\\+&932\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      5. [latex]\\begin{array}[t]{rr}&821\\\\&324\\\\+&423\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      6. [latex]\\begin{array}[t]{rr}&353\\\\&301\\\\+&624\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      7. [latex]\\begin{array}[t]{rr}&435\\\\&201\\\\+&160\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      8. [latex]\\begin{array}[t]{rr}&641\\\\&322\\\\+&833\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      9. [latex]\\begin{array}[t]{rr}&132\\\\&254\\\\+&413\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      10. [latex]\\begin{array}[t]{rr}&713\\\\&102\\\\+&860\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      11. [latex]\\begin{array}[t]{rr}&245\\\\&321\\\\+&803\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      12. [latex]\\begin{array}[t]{rr}&341\\\\&215\\\\+&840\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      13. [latex]\\begin{array}[t]{rr}&524\\\\&243\\\\+&122\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      14. [latex]\\begin{array}[t]{rr}&253\\\\&114\\\\+&321\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      15. [latex]\\begin{array}[t]{rr}&272\\\\&315\\\\+&410\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      16. [latex]\\begin{array}[t]{rr}&514\\\\&231\\\\+&620\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      17. [latex]\\begin{array}[t]{rr}&246\\\\&351\\\\+&502\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      18. [latex]\\begin{array}[t]{rr}&152\\\\&331\\\\+&216\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      19. [latex]\\begin{array}[t]{rr}&164\\\\&233\\\\+&801\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      20. [latex]\\begin{array}[t]{rr}&414\\\\&231\\\\+&552\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      21. [latex]\\begin{array}[t]{rr}&362\\\\&627\\\\+&510\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      22. [latex]\\begin{array}[t]{rr}&264\\\\&535\\\\+&600\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      23. [latex]\\begin{array}[t]{rr}&432\\\\&653\\\\+&313\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                      24. [latex]\\begin{array}[t]{rr}&631\\\\&216\\\\+&552\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Eight<\/strong>\r\n
                                          \r\n \t
                                        1. 898<\/li>\r\n \t
                                        2. 1875<\/span><\/li>\r\n \t
                                        3. 858<\/li>\r\n \t
                                        4. 1487<\/span><\/li>\r\n \t
                                        5. 1568<\/span><\/li>\r\n \t
                                        6. 1278<\/span><\/li>\r\n \t
                                        7. 796<\/li>\r\n \t
                                        8. 1796<\/span><\/li>\r\n \t
                                        9. 799<\/li>\r\n \t
                                        10. 1675<\/span><\/li>\r\n \t
                                        11. 1369<\/span><\/li>\r\n \t
                                        12. 1396<\/span><\/li>\r\n \t
                                        13. 889<\/li>\r\n \t
                                        14. 688<\/li>\r\n \t
                                        15. 997<\/li>\r\n \t
                                        16. 1365<\/span><\/li>\r\n \t
                                        17. 1099<\/span><\/li>\r\n \t
                                        18. 699<\/li>\r\n \t
                                        19. 1198<\/span><\/li>\r\n \t
                                        20. 1197<\/span><\/li>\r\n \t
                                        21. 1499<\/span><\/li>\r\n \t
                                        22. 1399<\/span><\/li>\r\n \t
                                        23. 1398<\/span><\/li>\r\n \t
                                        24. 1399<\/span><\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n
                                          \r\n

                                          Did you Know?<\/p>\r\n\r\n<\/header>\r\n

                                          \r\n\r\nSome people like to check their addition by adding a second time, starting with the bottom number instead of the top number. For example.\r\n\r\n[latex]\\begin{array}[t]{rr}&63\\\\&+35\\\\ \\hline&98 \\end{array}[\/latex]\r\n\r\nAdd: [latex]\\begin{array}[t]{r}3+5=8\\\\ 6+3=9\\end{array}[\/latex]\r\n\r\nCheck: [latex]\\begin{array}[t]{r}5+3=8\\\\ 3+6=9\\end{array}[\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n
                                          \r\n

                                          Exercise Nine<\/p>\r\n\r\n<\/header>\r\n

                                          \r\n\r\nFind the sums. Check your addition a second time by starting at the bottom. Place a check mark (\u221a) beside your answer after you have added from the bottom to the top. Check your work using the answer key at the end of the exercise.\r\n
                                            \r\n \t
                                          1. [latex]\\begin{array}[t]{rr}&7\\,003 \\\\+& 2\\,692\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          2. [latex]\\begin{array}[t]{rr}&6\\,217\\\\+& 3\\,732\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          3. [latex]\\begin{array}[t]{rr}&2\\,271 \\\\+& 3\\,618\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          4. [latex]\\begin{array}[t]{rr}&5\\,992 \\\\+& 3\\,006\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          5. [latex]\\begin{array}[t]{rr}&4\\,235 \\\\+& 1\\,162\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          6. [latex]\\begin{array}[t]{rr}&6\\,518\\\\+& 2\\,050\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          7. [latex]\\begin{array}[t]{rr}&1\\,023\\\\+& 1\\,553\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          8. [latex]\\begin{array}[t]{rr}&4\\,034 \\\\+& 2\\,853\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          9. [latex]\\begin{array}[t]{rr}&5\\,234\\\\+& 1\\,244\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          10. [latex]\\begin{array}[t]{rr}&41\\,738\\\\+& 38\\,051\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          11. [latex]\\begin{array}[t]{rr}&20\\,295\\\\+& 46\\,503\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          12. [latex]\\begin{array}[t]{rr}&62\\,041 \\\\+& 12\\,857\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          13. [latex]\\begin{array}[t]{rr}&73\\,104 \\\\+& 21\\,620\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                          14. [latex]\\begin{array}[t]{rr}&40\\,835 \\\\+& 25\\,034\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\nAnswers to Exercise Nine<\/strong>\r\n
                                              \r\n \t
                                            1. 9695<\/span><\/li>\r\n \t
                                            2. 9949<\/span><\/li>\r\n \t
                                            3. 5889<\/span><\/li>\r\n \t
                                            4. 8998<\/span><\/li>\r\n \t
                                            5. 5397<\/span><\/li>\r\n \t
                                            6. 8568<\/span><\/li>\r\n \t
                                            7. 2576<\/span><\/li>\r\n \t
                                            8. 6887<\/span><\/li>\r\n \t
                                            9. 6478<\/span><\/li>\r\n \t
                                            10. 79789<\/span><\/li>\r\n \t
                                            11. 66798<\/span><\/li>\r\n \t
                                            12. 74898<\/span><\/li>\r\n \t
                                            13. 94724<\/span><\/li>\r\n \t
                                            14. 65869<\/span><\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\nIf an addition question is written with the numbers side by side, rewrite the question in columns. Put the ones under the ones, the tens under the tens, the hundreds under the hundreds, and so on.\r\n
                                              \r\n

                                              Example E: 263 + 25<\/p>\r\n\r\n<\/header>\r\n

                                              \r\n\r\n[latex]\\begin{array}[t]{rr}&263\\\\+&25\\\\ \\hline &288\\end{array}[\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n
                                              \r\n

                                              Example F: 316 + 9 560<\/p>\r\n\r\n<\/header>\r\n

                                              \r\n\r\n[latex]\\begin{array}[t]{rr}&316\\\\+&9560\\\\ \\hline &9876\\end{array}[\/latex]\r\n\r\n<\/div>\r\n<\/div>\r\n
                                              \r\n

                                              Exercise Ten<\/p>\r\n\r\n<\/header>\r\n

                                              \r\n\r\nRewrite each question in columns and find the total. Check your work using the answer key at the end of the exercise.\r\n
                                                \r\n \t
                                              1. 75 + 512<\/li>\r\n \t
                                              2. 372 + 16<\/li>\r\n \t
                                              3. 691 + 8<\/li>\r\n \t
                                              4. 4 + 275<\/li>\r\n \t
                                              5. 3457<\/span> + 112<\/li>\r\n \t
                                              6. 2403<\/span> + 340<\/li>\r\n \t
                                              7. 730 + 422 + 36<\/li>\r\n \t
                                              8. 24 + 333 + 442<\/li>\r\n \t
                                              9. 3000<\/span> + 24132<\/span> + 70534<\/span><\/li>\r\n \t
                                              10. 34511<\/span> + 3012<\/span> + 40234<\/span><\/li>\r\n<\/ol>\r\nAnswers to Exercise Ten<\/strong>\r\n
                                                  \r\n \t
                                                1. 587<\/li>\r\n \t
                                                2. 388<\/li>\r\n \t
                                                3. 699<\/li>\r\n \t
                                                4. 279<\/li>\r\n \t
                                                5. 3569<\/span><\/li>\r\n \t
                                                6. 2743<\/span><\/li>\r\n \t
                                                7. 1188<\/span><\/li>\r\n \t
                                                8. 799<\/li>\r\n \t
                                                9. 97666<\/span><\/li>\r\n \t
                                                10. 77757<\/span><\/li>\r\n<\/ol>\r\n<\/div>\r\n<\/div>\r\n

                                                  Topic A: Self-Test<\/h1>\r\nMark \/22 Aim 17\/22<\/strong>\r\n
                                                    \r\n \t
                                                  1. Find the sums. Be sure to check your answers. (6 marks)\r\n
                                                      \r\n \t
                                                    1. [latex]\\begin{array}[t]{rr}&63\\\\+&25\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                    2. [latex]\\begin{array}[t]{rr}&15\\\\+&72\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                    3. [latex]\\begin{array}[t]{rr}&43\\\\+&54\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                    4. [latex]\\begin{array}[t]{rr}&42\\\\&33\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                    5. [latex]\\begin{array}[t]{rr}&34\\\\&22\\\\+&52\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                    6. [latex]\\begin{array}[t]{rr}&21\\\\&46\\\\+&72\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                    7. Find the sums. Be sure to check your answers. (6 marks)\r\n
                                                        \r\n \t
                                                      1. [latex]\\begin{array}[t]{rr}&421\\\\+&354\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                      2. [latex]\\begin{array}[t]{rr}&832\\\\+&162\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                      3. [latex]\\begin{array}[t]{rr}&956\\\\+&730\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                      4. [latex]\\begin{array}[t]{rr}&375\\\\&213\\\\+&611\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                      5. [latex]\\begin{array}[t]{rr}&211\\\\&351\\\\+&515\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                      6. [latex]\\begin{array}[t]{rr}&731\\\\&245\\\\+&312\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                      7. Find the sums. Be sure to check your answers. (6 marks)\r\n
                                                          \r\n \t
                                                        1. [latex]\\begin{array}[t]{rr}&4\\,235\\\\+& 4\\,730\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                        2. [latex]\\begin{array}[t]{rr}&6\\,513\\\\+& 4\\,182\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                        3. [latex]\\begin{array}[t]{rr}&8\\,250\\\\+& 3\\,647\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                        4. [latex]\\begin{array}[t]{rr}&51\\,672\\\\+& 36\\,124\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                        5. [latex]\\begin{array}[t]{rr}&25\\,146\\\\+& 43\\,503\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                        6. [latex]\\begin{array}[t]{rr}&42\\,196\\\\+& 70\\,301\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                        7. Add these numbers. (4 marks)\r\n
                                                            \r\n \t
                                                          1. [latex]\\begin{array}[t]{rr}&45 \\\\ &21\\\\+& 32 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                          2. [latex]\\begin{array}[t]{rr}&242 \\\\&325\\\\+& 112 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                          3. [latex]\\begin{array}[t]{rr}&8\\,013 \\\\& 1\\,246 \\\\+& 5\\,430 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n \t
                                                          4. [latex]\\begin{array}[t]{rr}&5\\,214 \\\\ &40\\,230 \\\\+& 2\\,345\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n

                                                            Answers to Topic A Self-Test<\/h2>\r\n
                                                              \r\n \t
                                                            1. \r\n
                                                                \r\n \t
                                                              1. 88<\/li>\r\n \t
                                                              2. 87<\/li>\r\n \t
                                                              3. 97<\/li>\r\n \t
                                                              4. 89<\/li>\r\n \t
                                                              5. 108<\/li>\r\n \t
                                                              6. 139<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                              7. \r\n
                                                                  \r\n \t
                                                                1. 775<\/li>\r\n \t
                                                                2. 994<\/li>\r\n \t
                                                                3. 1686<\/span><\/li>\r\n \t
                                                                4. 1199<\/span><\/li>\r\n \t
                                                                5. 1077<\/span><\/li>\r\n \t
                                                                6. 1288<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                                7. \r\n
                                                                    \r\n \t
                                                                  1. 8965<\/span><\/li>\r\n \t
                                                                  2. 10695<\/span><\/li>\r\n \t
                                                                  3. 11897<\/span><\/li>\r\n \t
                                                                  4. 87796<\/span><\/li>\r\n \t
                                                                  5. 29 536<\/li>\r\n \t
                                                                  6. 112497<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                                                  7. \r\n
                                                                      \r\n \t
                                                                    1. 98<\/li>\r\n \t
                                                                    2. 679<\/li>\r\n \t
                                                                    3. 14689<\/span><\/li>\r\n \t
                                                                    4. 47789<\/span><\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>","rendered":"

                                                                      Addition puts amounts together. The answer of addition is called the sum or the total.<\/p>\n

                                                                      The plus sign + means to add.<\/p>\n

                                                                      \"\"<\/p>\n

                                                                      3 + 2 = 5 says three plus two equals five<\/strong> or three and two is five.<\/strong><\/p>\n

                                                                      The sum<\/strong> is 5.<\/p>\n

                                                                      \n
                                                                      \n

                                                                      Exercise One<\/p>\n<\/header>\n

                                                                      \n

                                                                      Check out your addition facts by doing this exercise as quickly as possible without counting. The highest total or sum (what the numbers add up to) for these number facts is 20. Check your work using the answer key at the end of the exercise. Then, make a list of any addition facts you do not know or which are slow \u2013 practice them. If you feel you need more practice, see your instructor.<\/p>\n

                                                                        \n
                                                                      1. [latex]\\begin{array}[t]{rr}&6 \\\\+& 7\\\\ \\hline&13\\end{array}[\/latex]<\/li>\n
                                                                      2. [latex]\\begin{array}[t]{rr}&8\\\\+& 3\\\\ \\hline&11\\end{array}[\/latex]<\/li>\n
                                                                      3. [latex]\\begin{array}[t]{rr}&4\\\\ +& 2\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      4. [latex]\\begin{array}[t]{rr}&8\\\\ + &7 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      5. [latex]\\begin{array}[t]{rr}&1\\\\ +& 2 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      6. [latex]\\begin{array}[t]{rr}&6\\\\ +& 4 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      7. [latex]\\begin{array}[t]{rr}&5\\\\ +& 8 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      8. [latex]\\begin{array}[t]{rr}&2\\\\+& 5 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      9. [latex]\\begin{array}[t]{rr}&7\\\\ + &6\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      10. [latex]\\begin{array}[t]{rr}&0\\\\ +&3\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      11. [latex]\\begin{array}[t]{rr}&9\\\\ + &7 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                      12. [latex]\\begin{array}[t]{rr}&7\\\\ +& 2 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                        Answers to Exercise One<\/strong><\/p>\n

                                                                          \n
                                                                        1. 13<\/li>\n
                                                                        2. 11<\/li>\n
                                                                        3. 6<\/li>\n
                                                                        4. 15<\/li>\n
                                                                        5. 3<\/li>\n
                                                                        6. 10<\/li>\n
                                                                        7. 13<\/li>\n
                                                                        8. 7<\/li>\n
                                                                        9. 13<\/li>\n
                                                                        10. 3<\/li>\n
                                                                        11. 16<\/li>\n
                                                                        12. 9<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

                                                                          Addition of Larger Numbers<\/h1>\n

                                                                          Use these steps to complete each addition question.<\/p>\n

                                                                            \n
                                                                          • Step 1: Add the ones to the ones.<\/li>\n
                                                                          • Step 2: Add the tens to the tens.<\/li>\n
                                                                          • Step 3: Add the hundreds to the hundreds.<\/li>\n
                                                                          • Step 4: Add the thousands to the thousands.<\/li>\n
                                                                          • Step 5: Add the ten thousands to the ten thousands.<\/li>\n<\/ul>\n
                                                                            \n
                                                                            \n

                                                                            Example A: 23 + 56 =<\/p>\n<\/header>\n

                                                                            \n

                                                                            Step 1: Add the ones to the ones. 3 ones + 6 ones = 9 ones<\/p>\n

                                                                            [latex]\\begin{array}[t]{rr}&23\\\\+&56\\\\ \\hline&9\\end{array}[\/latex]<\/p>\n

                                                                            Write the answer in line with the ones in the question.<\/p>\n

                                                                            Step 2: Add the tens. 2 tens + 5 tens = 7 tens<\/p>\n

                                                                            [latex]\\begin{array}[t]{rr}&23\\\\+ &56\\\\ \\hline&79\\end{array}[\/latex]<\/p>\n

                                                                            The sum of 23 + 56 = 79<\/p>\n<\/div>\n<\/div>\n

                                                                            \n
                                                                            \n

                                                                            Exercise Two<\/p>\n<\/header>\n

                                                                            \n

                                                                            Find the sums. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                              \n
                                                                            1. [latex]\\begin{array}[t]{rr}&37\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            2. [latex]\\begin{array}[t]{rr}&55\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            3. [latex]\\begin{array}[t]{rr}&70\\\\+&17\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            4. [latex]\\begin{array}[t]{rr}&27\\\\+&32\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            5. [latex]\\begin{array}[t]{rr}&87\\\\+&12\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            6. [latex]\\begin{array}[t]{rr}&33\\\\+&64\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            7. [latex]\\begin{array}[t]{rr}&44\\\\+&50\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            8. [latex]\\begin{array}[t]{rr}&34\\\\+&11\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            9. [latex]\\begin{array}[t]{rr}&51\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            10. [latex]\\begin{array}[t]{rr}&12\\\\+&46\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            11. [latex]\\begin{array}[t]{rr}&17\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            12. [latex]\\begin{array}[t]{rr}&70\\\\+&28\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            13. [latex]\\begin{array}[t]{rr}&54\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            14. [latex]\\begin{array}[t]{rr}&62\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            15. [latex]\\begin{array}[t]{rr}&15\\\\+&12\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            16. [latex]\\begin{array}[t]{rr}&45\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            17. [latex]\\begin{array}[t]{rr}&23\\\\+&64\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            18. [latex]\\begin{array}[t]{rr}&53\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            19. [latex]\\begin{array}[t]{rr}&60\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            20. [latex]\\begin{array}[t]{rr}&49\\\\+&10\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            21. [latex]\\begin{array}[t]{rr}&75\\\\+&13\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            22. [latex]\\begin{array}[t]{rr}&58\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            23. [latex]\\begin{array}[t]{rr}&31\\\\+&28\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                            24. [latex]\\begin{array}[t]{rr}&24\\\\+&13\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                              Answers to Exercise Two<\/strong><\/p>\n

                                                                                \n
                                                                              1. 79<\/li>\n
                                                                              2. 77<\/li>\n
                                                                              3. 87<\/li>\n
                                                                              4. 59<\/li>\n
                                                                              5. 99<\/li>\n
                                                                              6. 97<\/li>\n
                                                                              7. 94<\/li>\n
                                                                              8. 45<\/li>\n
                                                                              9. 74<\/li>\n
                                                                              10. 58<\/li>\n
                                                                              11. 38<\/li>\n
                                                                              12. 98<\/li>\n
                                                                              13. 77<\/li>\n
                                                                              14. 76<\/li>\n
                                                                              15. 27<\/li>\n
                                                                              16. 68<\/li>\n
                                                                              17. 87<\/li>\n
                                                                              18. 95<\/li>\n
                                                                              19. 83<\/li>\n
                                                                              20. 59<\/li>\n
                                                                              21. 88<\/li>\n
                                                                              22. 79<\/li>\n
                                                                              23. 59<\/li>\n
                                                                              24. 37<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                \n
                                                                                \n

                                                                                Exercise Three<\/p>\n<\/header>\n

                                                                                \n

                                                                                Find the sums. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                                  \n
                                                                                1. [latex]\\begin{array}[t]{rr}&32\\\\+&64\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                2. [latex]\\begin{array}[t]{rr}&23\\\\+&54\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                3. [latex]\\begin{array}[t]{rr}&61\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                4. [latex]\\begin{array}[t]{rr}&83\\\\+&11\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                5. [latex]\\begin{array}[t]{rr}&32\\\\+&45\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                6. [latex]\\begin{array}[t]{rr}&63\\\\+&33\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                7. [latex]\\begin{array}[t]{rr}&75\\\\+&24\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                8. [latex]\\begin{array}[t]{rr}&46\\\\+&12\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                9. [latex]\\begin{array}[t]{rr}&44\\\\+&35\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                10. [latex]\\begin{array}[t]{rr}&25\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                11. [latex]\\begin{array}[t]{rr}&41\\\\+&38\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                12. [latex]\\begin{array}[t]{rr}&54\\\\+&45\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                13. [latex]\\begin{array}[t]{rr}&25\\\\+&32\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                14. [latex]\\begin{array}[t]{rr}&35\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                15. [latex]\\begin{array}[t]{rr}&32\\\\+&44\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                16. [latex]\\begin{array}[t]{rr}&22\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                17. [latex]\\begin{array}[t]{rr}&57\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                18. [latex]\\begin{array}[t]{rr}&42\\\\+&54\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                19. [latex]\\begin{array}[t]{rr}&34\\\\+&23\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                20. [latex]\\begin{array}[t]{rr}&25\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                21. [latex]\\begin{array}[t]{rr}&13\\\\+&41\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                22. [latex]\\begin{array}[t]{rr}&60\\\\+&25\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                23. [latex]\\begin{array}[t]{rr}&34\\\\+&62\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                24. [latex]\\begin{array}[t]{rr}&77\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                  Answers to Exercise Three<\/strong><\/p>\n

                                                                                    \n
                                                                                  1. 96<\/li>\n
                                                                                  2. 77<\/li>\n
                                                                                  3. 83<\/li>\n
                                                                                  4. 94<\/li>\n
                                                                                  5. 77<\/li>\n
                                                                                  6. 96<\/li>\n
                                                                                  7. 99<\/li>\n
                                                                                  8. 58<\/li>\n
                                                                                  9. 79<\/li>\n
                                                                                  10. 67<\/li>\n
                                                                                  11. 79<\/li>\n
                                                                                  12. 99<\/li>\n
                                                                                  13. 57<\/li>\n
                                                                                  14. 77<\/li>\n
                                                                                  15. 76<\/li>\n
                                                                                  16. 36<\/li>\n
                                                                                  17. 78<\/li>\n
                                                                                  18. 96<\/li>\n
                                                                                  19. 57<\/li>\n
                                                                                  20. 67<\/li>\n
                                                                                  21. 54<\/li>\n
                                                                                  22. 85<\/li>\n
                                                                                  23. 96<\/li>\n
                                                                                  24. 98<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                    \n

                                                                                    To add three or more numbers together, use the following steps.<\/p>\n

                                                                                      \n
                                                                                    • Step 1: Add the ones to the ones.<\/li>\n
                                                                                    • Step 2: Add the tens to the tens.<\/li>\n
                                                                                    • Step 3: Add the hundreds to the hundreds.<\/li>\n
                                                                                    • Step 4: Add the thousands to the thousands.<\/li>\n
                                                                                    • Step 5: Add the ten thousands to the ten thousands.<\/li>\n<\/ul>\n<\/div>\n
                                                                                      \n
                                                                                      \n

                                                                                      Example B: 24 + 52 + 73=<\/p>\n<\/header>\n

                                                                                      \n

                                                                                      Step 1: Add the ones. 4 ones + 2 ones + 3 ones = 9<\/em> ones<\/p>\n

                                                                                      [latex]\\begin{array}[t]{rr}&24\\\\&52\\\\+&73\\\\ \\hline&9\\end{array}[\/latex]<\/p>\n

                                                                                      Step 2: Add the tens. 2 tens + 5 tens + 7 ten = 14<\/strong> tens<\/p>\n

                                                                                      [latex]\\begin{array}[t]{rr}&24\\\\&52\\\\+&73\\\\ \\hline&149\\end{array}[\/latex]<\/p>\n<\/div>\n<\/div>\n

                                                                                      \n
                                                                                      \n

                                                                                      Exercise Four<\/p>\n<\/header>\n

                                                                                      \n
                                                                                        \n
                                                                                      1. [latex]\\begin{array}[t]{rr}&21\\\\&34\\\\+&44\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      2. [latex]\\begin{array}[t]{rr}&11\\\\&61\\\\+&15\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      3. [latex]\\begin{array}[t]{rr}&23\\\\&35\\\\+&41\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      4. [latex]\\begin{array}[t]{rr}&20\\\\&43\\\\+&36\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      5. [latex]\\begin{array}[t]{rr}&13\\\\&42\\\\+&34\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      6. [latex]\\begin{array}[t]{rr}&33\\\\&64\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      7. [latex]\\begin{array}[t]{rr}&44\\\\&50\\\\+&24\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      8. [latex]\\begin{array}[t]{rr}&37\\\\&42\\\\+&10\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      9. [latex]\\begin{array}[t]{rr}&55\\\\&24\\\\+&30\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      10. [latex]\\begin{array}[t]{rr}&82\\\\&17\\\\+&50\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      11. [latex]\\begin{array}[t]{rr}&45\\\\&32\\\\+&52\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      12. [latex]\\begin{array}[t]{rr}&70\\\\&21\\\\+&48\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      13. [latex]\\begin{array}[t]{rr}&12\\\\&54\\\\+&62\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      14. [latex]\\begin{array}[t]{rr}&25\\\\&61\\\\+&22\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      15. [latex]\\begin{array}[t]{rr}&32\\\\&23\\\\+&94\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      16. [latex]\\begin{array}[t]{rr}&33\\\\&55\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      17. [latex]\\begin{array}[t]{rr}&31\\\\&12\\\\+&85\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      18. [latex]\\begin{array}[t]{rr}&41\\\\&31\\\\+&87\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      19. [latex]\\begin{array}[t]{rr}&17\\\\&42\\\\+&50\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      20. [latex]\\begin{array}[t]{rr}&56\\\\&31\\\\+&82\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      21. [latex]\\begin{array}[t]{rr}&32\\\\&45\\\\+&51\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      22. [latex]\\begin{array}[t]{rr}&24\\\\&65\\\\+&30\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      23. [latex]\\begin{array}[t]{rr}&51\\\\&27\\\\+&41\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                      24. [latex]\\begin{array}[t]{rr}&22\\\\&14\\\\+&31\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                        Answers to Exercise Four<\/strong><\/p>\n

                                                                                          \n
                                                                                        1. 99<\/li>\n
                                                                                        2. 87<\/li>\n
                                                                                        3. 99<\/li>\n
                                                                                        4. 99<\/li>\n
                                                                                        5. 89<\/li>\n
                                                                                        6. 119<\/li>\n
                                                                                        7. 118<\/li>\n
                                                                                        8. 89<\/li>\n
                                                                                        9. 109<\/li>\n
                                                                                        10. 149<\/li>\n
                                                                                        11. 129<\/li>\n
                                                                                        12. 139<\/li>\n
                                                                                        13. 128<\/li>\n
                                                                                        14. 108<\/li>\n
                                                                                        15. 149<\/li>\n
                                                                                        16. 109<\/li>\n
                                                                                        17. 128<\/li>\n
                                                                                        18. 159<\/li>\n
                                                                                        19. 109<\/li>\n
                                                                                        20. 169<\/li>\n
                                                                                        21. 128<\/li>\n
                                                                                        22. 119<\/li>\n
                                                                                        23. 119<\/li>\n
                                                                                        24. 67<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                          \n
                                                                                          \n

                                                                                          Exercise Five<\/p>\n<\/header>\n

                                                                                          \n

                                                                                          Find the sums. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                                            \n
                                                                                          1. [latex]\\begin{array}[t]{rr}&32\\\\&53\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          2. [latex]\\begin{array}[t]{rr}&42\\\\&25\\\\+&11\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          3. [latex]\\begin{array}[t]{rr}&24\\\\&81\\\\+&13\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          4. [latex]\\begin{array}[t]{rr}&52\\\\&24\\\\+&63\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          5. [latex]\\begin{array}[t]{rr}&54\\\\&23\\\\+&71\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          6. [latex]\\begin{array}[t]{rr}&25\\\\&60\\\\+&84\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          7. [latex]\\begin{array}[t]{rr}&41\\\\&32\\\\+&96\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          8. [latex]\\begin{array}[t]{rr}&31\\\\&43\\\\+&85\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          9. [latex]\\begin{array}[t]{rr}&15\\\\&52\\\\+&82\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          10. [latex]\\begin{array}[t]{rr}&43\\\\&21\\\\+&52\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          11. [latex]\\begin{array}[t]{rr}&81\\\\&16\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          12. [latex]\\begin{array}[t]{rr}&56\\\\&31\\\\+&92\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          13. [latex]\\begin{array}[t]{rr}&37\\\\&12\\\\+&80\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          14. [latex]\\begin{array}[t]{rr}&63\\\\&25\\\\+&70\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          15. [latex]\\begin{array}[t]{rr}&70\\\\&24\\\\+&65\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          16. [latex]\\begin{array}[t]{rr}&25\\\\&41\\\\+&73\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          17. [latex]\\begin{array}[t]{rr}&41\\\\&66\\\\+&32\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          18. [latex]\\begin{array}[t]{rr}&24\\\\&33\\\\+&62\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          19. [latex]\\begin{array}[t]{rr}&52\\\\&45\\\\+&21\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          20. [latex]\\begin{array}[t]{rr}&71\\\\&16\\\\+&42\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          21. [latex]\\begin{array}[t]{rr}&64\\\\&12\\\\+&90\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          22. [latex]\\begin{array}[t]{rr}&55\\\\&21\\\\+&43\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          23. [latex]\\begin{array}[t]{rr}&26\\\\&61\\\\+&82\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                          24. [latex]\\begin{array}[t]{rr}&44\\\\&53\\\\+&31\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                            Answers to Exercise Five<\/strong><\/p>\n

                                                                                              \n
                                                                                            1. 99<\/li>\n
                                                                                            2. 78<\/li>\n
                                                                                            3. 118<\/li>\n
                                                                                            4. 139<\/li>\n
                                                                                            5. 148<\/li>\n
                                                                                            6. 169<\/li>\n
                                                                                            7. 169<\/li>\n
                                                                                            8. 159<\/li>\n
                                                                                            9. 149<\/li>\n
                                                                                            10. 116<\/li>\n
                                                                                            11. 139<\/li>\n
                                                                                            12. 179<\/li>\n
                                                                                            13. 129<\/li>\n
                                                                                            14. 158<\/li>\n
                                                                                            15. 159<\/li>\n
                                                                                            16. 139<\/li>\n
                                                                                            17. 139<\/li>\n
                                                                                            18. 119<\/li>\n
                                                                                            19. 118<\/li>\n
                                                                                            20. 129<\/li>\n
                                                                                            21. 166<\/li>\n
                                                                                            22. 119<\/li>\n
                                                                                            23. 169<\/li>\n
                                                                                            24. 128<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                              \n

                                                                                              Use these steps to complete each addition question.<\/p>\n

                                                                                                \n
                                                                                              • Step 1: Add the ones to the ones.<\/li>\n
                                                                                              • Step 2: Add the tens to the tens.<\/li>\n
                                                                                              • Step 3: Add the hundreds to the hundreds.<\/li>\n<\/ul>\n<\/div>\n
                                                                                                \n
                                                                                                \n

                                                                                                Example C: 372 + 415<\/p>\n<\/header>\n

                                                                                                \n

                                                                                                Step 1: Add the ones. 2 ones + 5 ones = 7 ones<\/p>\n

                                                                                                [latex]\\begin{array}[t]{rr}&372\\\\+&415\\\\ \\hline& 7\\end{array}[\/latex]<\/p>\n

                                                                                                Step 2: Add the tens. 7 tens + 1 ten = 8 tens<\/p>\n

                                                                                                [latex]\\begin{array}[t]{rr}&372\\\\+&415\\\\ \\hline&87 \\end{array}[\/latex]<\/p>\n

                                                                                                Step 3: Add the hundreds. 3 hundreds + 4 hundreds = 7 hundreds<\/p>\n

                                                                                                [latex]\\begin{array}[t]{rr}&372\\\\+&415\\\\ \\hline&787 \\end{array}[\/latex]<\/p>\n<\/div>\n<\/div>\n

                                                                                                \n
                                                                                                \n

                                                                                                Exercise Six<\/p>\n<\/header>\n

                                                                                                \n

                                                                                                Find the sums. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                                                  \n
                                                                                                1. [latex]\\begin{array}[t]{rr}&324\\\\+&865\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                2. [latex]\\begin{array}[t]{rr}&514\\\\+&274\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                3. [latex]\\begin{array}[t]{rr}&673\\\\+&326\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                4. [latex]\\begin{array}[t]{rr}&603\\\\+&375\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                5. [latex]\\begin{array}[t]{rr}&174\\\\+&922\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                6. [latex]\\begin{array}[t]{rr}&250\\\\+&618\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                7. [latex]\\begin{array}[t]{rr}&506\\\\+&182\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                8. [latex]\\begin{array}[t]{rr}&514\\\\+&482\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                9. [latex]\\begin{array}[t]{rr}&738\\\\+&510\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                10. [latex]\\begin{array}[t]{rr}&321\\\\+&358\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                11. [latex]\\begin{array}[t]{rr}&215\\\\+&584\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                12. [latex]\\begin{array}[t]{rr}&416\\\\+&352\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                13. [latex]\\begin{array}[t]{rr}&167\\\\+&522\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                14. [latex]\\begin{array}[t]{rr}&315\\\\+&573\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                15. [latex]\\begin{array}[t]{rr}&156\\\\+&732\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                16. [latex]\\begin{array}[t]{rr}&713\\\\+&256\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                17. [latex]\\begin{array}[t]{rr}&135\\\\+&564\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                18. [latex]\\begin{array}[t]{rr}&105\\\\+&632\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                19. [latex]\\begin{array}[t]{rr}&253\\\\+&644\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                20. [latex]\\begin{array}[t]{rr}&535\\\\+&442\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                21. [latex]\\begin{array}[t]{rr}&168\\\\+&421\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                22. [latex]\\begin{array}[t]{rr}&834\\\\+&162\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                23. [latex]\\begin{array}[t]{rr}&422\\\\+&361\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                24. [latex]\\begin{array}[t]{rr}&327\\\\+&462\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                                  Answers to Exercise Six<\/strong><\/p>\n

                                                                                                    \n
                                                                                                  1. 1189<\/span><\/li>\n
                                                                                                  2. 788<\/li>\n
                                                                                                  3. 999<\/li>\n
                                                                                                  4. 978<\/li>\n
                                                                                                  5. 1096<\/span><\/li>\n
                                                                                                  6. 868<\/li>\n
                                                                                                  7. 688<\/li>\n
                                                                                                  8. 996<\/li>\n
                                                                                                  9. 1248<\/span><\/li>\n
                                                                                                  10. 679<\/li>\n
                                                                                                  11. 799<\/li>\n
                                                                                                  12. 768<\/li>\n
                                                                                                  13. 689<\/li>\n
                                                                                                  14. 888<\/li>\n
                                                                                                  15. 888<\/li>\n
                                                                                                  16. 969<\/li>\n
                                                                                                  17. 699<\/li>\n
                                                                                                  18. 737<\/li>\n
                                                                                                  19. 897<\/li>\n
                                                                                                  20. 977<\/li>\n
                                                                                                  21. 589<\/li>\n
                                                                                                  22. 996<\/li>\n
                                                                                                  23. 783<\/li>\n
                                                                                                  24. 789<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                                    \n
                                                                                                    \n

                                                                                                    Exercise Seven<\/p>\n<\/header>\n

                                                                                                    \n

                                                                                                    Find the sums. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                                                      \n
                                                                                                    1. [latex]\\begin{array}[t]{rr}&754\\\\+&231\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    2. [latex]\\begin{array}[t]{rr}&410\\\\+&257\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    3. [latex]\\begin{array}[t]{rr}&653\\\\+&142\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    4. [latex]\\begin{array}[t]{rr}&815\\\\+&170\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    5. [latex]\\begin{array}[t]{rr}&243\\\\+&146\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    6. [latex]\\begin{array}[t]{rr}&615\\\\+&303\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    7. [latex]\\begin{array}[t]{rr}&124\\\\+&762\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    8. [latex]\\begin{array}[t]{rr}&451\\\\+&206\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    9. [latex]\\begin{array}[t]{rr}&705\\\\+&261\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    10. [latex]\\begin{array}[t]{rr}&627\\\\+&512\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    11. [latex]\\begin{array}[t]{rr}&357\\\\+&130\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    12. [latex]\\begin{array}[t]{rr}&725\\\\+&273\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    13. [latex]\\begin{array}[t]{rr}&753\\\\+&902\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    14. [latex]\\begin{array}[t]{rr}&425\\\\+&203\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    15. [latex]\\begin{array}[t]{rr}&652\\\\+&137\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    16. [latex]\\begin{array}[t]{rr}&357\\\\+&132\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    17. [latex]\\begin{array}[t]{rr}&675\\\\+&214\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    18. [latex]\\begin{array}[t]{rr}&802\\\\+&254\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    19. [latex]\\begin{array}[t]{rr}&524\\\\+&321\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    20. [latex]\\begin{array}[t]{rr}&723\\\\+&306\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    21. [latex]\\begin{array}[t]{rr}&243\\\\+&152\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    22. [latex]\\begin{array}[t]{rr}&145\\\\+&213\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    23. [latex]\\begin{array}[t]{rr}&262\\\\+&321\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                    24. [latex]\\begin{array}[t]{rr}&525\\\\+&131\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                                      Answers to Exercise Seven<\/strong><\/p>\n

                                                                                                        \n
                                                                                                      1. 985<\/li>\n
                                                                                                      2. 667<\/li>\n
                                                                                                      3. 795<\/li>\n
                                                                                                      4. 985<\/li>\n
                                                                                                      5. 389<\/li>\n
                                                                                                      6. 918<\/li>\n
                                                                                                      7. 886<\/li>\n
                                                                                                      8. 657<\/li>\n
                                                                                                      9. 966<\/li>\n
                                                                                                      10. 1139<\/span><\/li>\n
                                                                                                      11. 487<\/li>\n
                                                                                                      12. 998<\/li>\n
                                                                                                      13. 1 655<\/li>\n
                                                                                                      14. 628<\/li>\n
                                                                                                      15. 789<\/li>\n
                                                                                                      16. 489<\/li>\n
                                                                                                      17. 889<\/li>\n
                                                                                                      18. 1056<\/span><\/li>\n
                                                                                                      19. 845<\/li>\n
                                                                                                      20. 1029<\/span><\/li>\n
                                                                                                      21. 395<\/li>\n
                                                                                                      22. 358<\/li>\n
                                                                                                      23. 583<\/li>\n
                                                                                                      24. 656<\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                                        \n

                                                                                                        To add three or more numbers together, use the following steps.<\/p>\n

                                                                                                          \n
                                                                                                        • Step 1: Add the ones to the ones.<\/li>\n
                                                                                                        • Step 2: Add the tens to the tens.<\/li>\n
                                                                                                        • Step 3: Add the hundreds to the hundreds.<\/li>\n
                                                                                                        • and so on ….<\/li>\n<\/ul>\n<\/div>\n
                                                                                                          \n
                                                                                                          \n

                                                                                                          Example D: 372 + 415 + 210<\/p>\n<\/header>\n

                                                                                                          \n

                                                                                                          Step 1: Add the ones. 2 ones + 5 ones + 0 ones = 7 ones<\/p>\n

                                                                                                          [latex]\\begin{array}[t]{rr}&372\\\\&415\\\\+&210\\\\ \\hline&7 \\end{array}[\/latex]<\/p>\n

                                                                                                          Step 2: Add the tens. 7 tens + 1 ten + 1 ten = 9 tens<\/p>\n

                                                                                                          [latex]\\begin{array}[t]{rr}&372\\\\&415\\\\+&210\\\\ \\hline&97 \\end{array}[\/latex]<\/p>\n

                                                                                                          Step 3: Add the hundreds. 3 hundreds + 4 hundreds + 2 hundreds = 9 hundreds<\/p>\n

                                                                                                          [latex]\\begin{array}[t]{rr}&372\\\\&415\\\\+&210\\\\ \\hline&997 \\end{array}[\/latex]<\/p>\n<\/div>\n<\/div>\n

                                                                                                          \n
                                                                                                          \n

                                                                                                          Exercise Eight<\/p>\n<\/header>\n

                                                                                                          \n
                                                                                                            \n
                                                                                                          1. [latex]\\begin{array}[t]{rr}&345\\\\&132\\\\+&421\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          2. [latex]\\begin{array}[t]{rr}&524\\\\&630\\\\+&721\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          3. [latex]\\begin{array}[t]{rr}&305\\\\&131\\\\+&422\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          4. [latex]\\begin{array}[t]{rr}&214\\\\&341\\\\+&932\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          5. [latex]\\begin{array}[t]{rr}&821\\\\&324\\\\+&423\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          6. [latex]\\begin{array}[t]{rr}&353\\\\&301\\\\+&624\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          7. [latex]\\begin{array}[t]{rr}&435\\\\&201\\\\+&160\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          8. [latex]\\begin{array}[t]{rr}&641\\\\&322\\\\+&833\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          9. [latex]\\begin{array}[t]{rr}&132\\\\&254\\\\+&413\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          10. [latex]\\begin{array}[t]{rr}&713\\\\&102\\\\+&860\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          11. [latex]\\begin{array}[t]{rr}&245\\\\&321\\\\+&803\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          12. [latex]\\begin{array}[t]{rr}&341\\\\&215\\\\+&840\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          13. [latex]\\begin{array}[t]{rr}&524\\\\&243\\\\+&122\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          14. [latex]\\begin{array}[t]{rr}&253\\\\&114\\\\+&321\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          15. [latex]\\begin{array}[t]{rr}&272\\\\&315\\\\+&410\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          16. [latex]\\begin{array}[t]{rr}&514\\\\&231\\\\+&620\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          17. [latex]\\begin{array}[t]{rr}&246\\\\&351\\\\+&502\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          18. [latex]\\begin{array}[t]{rr}&152\\\\&331\\\\+&216\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          19. [latex]\\begin{array}[t]{rr}&164\\\\&233\\\\+&801\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          20. [latex]\\begin{array}[t]{rr}&414\\\\&231\\\\+&552\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          21. [latex]\\begin{array}[t]{rr}&362\\\\&627\\\\+&510\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          22. [latex]\\begin{array}[t]{rr}&264\\\\&535\\\\+&600\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          23. [latex]\\begin{array}[t]{rr}&432\\\\&653\\\\+&313\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                          24. [latex]\\begin{array}[t]{rr}&631\\\\&216\\\\+&552\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                                            Answers to Exercise Eight<\/strong><\/p>\n

                                                                                                              \n
                                                                                                            1. 898<\/li>\n
                                                                                                            2. 1875<\/span><\/li>\n
                                                                                                            3. 858<\/li>\n
                                                                                                            4. 1487<\/span><\/li>\n
                                                                                                            5. 1568<\/span><\/li>\n
                                                                                                            6. 1278<\/span><\/li>\n
                                                                                                            7. 796<\/li>\n
                                                                                                            8. 1796<\/span><\/li>\n
                                                                                                            9. 799<\/li>\n
                                                                                                            10. 1675<\/span><\/li>\n
                                                                                                            11. 1369<\/span><\/li>\n
                                                                                                            12. 1396<\/span><\/li>\n
                                                                                                            13. 889<\/li>\n
                                                                                                            14. 688<\/li>\n
                                                                                                            15. 997<\/li>\n
                                                                                                            16. 1365<\/span><\/li>\n
                                                                                                            17. 1099<\/span><\/li>\n
                                                                                                            18. 699<\/li>\n
                                                                                                            19. 1198<\/span><\/li>\n
                                                                                                            20. 1197<\/span><\/li>\n
                                                                                                            21. 1499<\/span><\/li>\n
                                                                                                            22. 1399<\/span><\/li>\n
                                                                                                            23. 1398<\/span><\/li>\n
                                                                                                            24. 1399<\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n
                                                                                                              \n
                                                                                                              \n

                                                                                                              Did you Know?<\/p>\n<\/header>\n

                                                                                                              \n

                                                                                                              Some people like to check their addition by adding a second time, starting with the bottom number instead of the top number. For example.<\/p>\n

                                                                                                              [latex]\\begin{array}[t]{rr}&63\\\\&+35\\\\ \\hline&98 \\end{array}[\/latex]<\/p>\n

                                                                                                              Add: [latex]\\begin{array}[t]{r}3+5=8\\\\ 6+3=9\\end{array}[\/latex]<\/p>\n

                                                                                                              Check: [latex]\\begin{array}[t]{r}5+3=8\\\\ 3+6=9\\end{array}[\/latex]<\/p>\n<\/div>\n<\/div>\n

                                                                                                              \n
                                                                                                              \n

                                                                                                              Exercise Nine<\/p>\n<\/header>\n

                                                                                                              \n

                                                                                                              Find the sums. Check your addition a second time by starting at the bottom. Place a check mark (\u221a) beside your answer after you have added from the bottom to the top. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                                                                \n
                                                                                                              1. [latex]\\begin{array}[t]{rr}&7\\,003 \\\\+& 2\\,692\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              2. [latex]\\begin{array}[t]{rr}&6\\,217\\\\+& 3\\,732\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              3. [latex]\\begin{array}[t]{rr}&2\\,271 \\\\+& 3\\,618\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              4. [latex]\\begin{array}[t]{rr}&5\\,992 \\\\+& 3\\,006\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              5. [latex]\\begin{array}[t]{rr}&4\\,235 \\\\+& 1\\,162\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              6. [latex]\\begin{array}[t]{rr}&6\\,518\\\\+& 2\\,050\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              7. [latex]\\begin{array}[t]{rr}&1\\,023\\\\+& 1\\,553\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              8. [latex]\\begin{array}[t]{rr}&4\\,034 \\\\+& 2\\,853\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              9. [latex]\\begin{array}[t]{rr}&5\\,234\\\\+& 1\\,244\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              10. [latex]\\begin{array}[t]{rr}&41\\,738\\\\+& 38\\,051\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              11. [latex]\\begin{array}[t]{rr}&20\\,295\\\\+& 46\\,503\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              12. [latex]\\begin{array}[t]{rr}&62\\,041 \\\\+& 12\\,857\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              13. [latex]\\begin{array}[t]{rr}&73\\,104 \\\\+& 21\\,620\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                              14. [latex]\\begin{array}[t]{rr}&40\\,835 \\\\+& 25\\,034\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n

                                                                                                                Answers to Exercise Nine<\/strong><\/p>\n

                                                                                                                  \n
                                                                                                                1. 9695<\/span><\/li>\n
                                                                                                                2. 9949<\/span><\/li>\n
                                                                                                                3. 5889<\/span><\/li>\n
                                                                                                                4. 8998<\/span><\/li>\n
                                                                                                                5. 5397<\/span><\/li>\n
                                                                                                                6. 8568<\/span><\/li>\n
                                                                                                                7. 2576<\/span><\/li>\n
                                                                                                                8. 6887<\/span><\/li>\n
                                                                                                                9. 6478<\/span><\/li>\n
                                                                                                                10. 79789<\/span><\/li>\n
                                                                                                                11. 66798<\/span><\/li>\n
                                                                                                                12. 74898<\/span><\/li>\n
                                                                                                                13. 94724<\/span><\/li>\n
                                                                                                                14. 65869<\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n

                                                                                                                  If an addition question is written with the numbers side by side, rewrite the question in columns. Put the ones under the ones, the tens under the tens, the hundreds under the hundreds, and so on.<\/p>\n

                                                                                                                  \n
                                                                                                                  \n

                                                                                                                  Example E: 263 + 25<\/p>\n<\/header>\n

                                                                                                                  \n

                                                                                                                  [latex]\\begin{array}[t]{rr}&263\\\\+&25\\\\ \\hline &288\\end{array}[\/latex]<\/p>\n<\/div>\n<\/div>\n

                                                                                                                  \n
                                                                                                                  \n

                                                                                                                  Example F: 316 + 9 560<\/p>\n<\/header>\n

                                                                                                                  \n

                                                                                                                  [latex]\\begin{array}[t]{rr}&316\\\\+&9560\\\\ \\hline &9876\\end{array}[\/latex]<\/p>\n<\/div>\n<\/div>\n

                                                                                                                  \n
                                                                                                                  \n

                                                                                                                  Exercise Ten<\/p>\n<\/header>\n

                                                                                                                  \n

                                                                                                                  Rewrite each question in columns and find the total. Check your work using the answer key at the end of the exercise.<\/p>\n

                                                                                                                    \n
                                                                                                                  1. 75 + 512<\/li>\n
                                                                                                                  2. 372 + 16<\/li>\n
                                                                                                                  3. 691 + 8<\/li>\n
                                                                                                                  4. 4 + 275<\/li>\n
                                                                                                                  5. 3457<\/span> + 112<\/li>\n
                                                                                                                  6. 2403<\/span> + 340<\/li>\n
                                                                                                                  7. 730 + 422 + 36<\/li>\n
                                                                                                                  8. 24 + 333 + 442<\/li>\n
                                                                                                                  9. 3000<\/span> + 24132<\/span> + 70534<\/span><\/li>\n
                                                                                                                  10. 34511<\/span> + 3012<\/span> + 40234<\/span><\/li>\n<\/ol>\n

                                                                                                                    Answers to Exercise Ten<\/strong><\/p>\n

                                                                                                                      \n
                                                                                                                    1. 587<\/li>\n
                                                                                                                    2. 388<\/li>\n
                                                                                                                    3. 699<\/li>\n
                                                                                                                    4. 279<\/li>\n
                                                                                                                    5. 3569<\/span><\/li>\n
                                                                                                                    6. 2743<\/span><\/li>\n
                                                                                                                    7. 1188<\/span><\/li>\n
                                                                                                                    8. 799<\/li>\n
                                                                                                                    9. 97666<\/span><\/li>\n
                                                                                                                    10. 77757<\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n

                                                                                                                      Topic A: Self-Test<\/h1>\n

                                                                                                                      Mark \/22 Aim 17\/22<\/strong><\/p>\n

                                                                                                                        \n
                                                                                                                      1. Find the sums. Be sure to check your answers. (6 marks)\n
                                                                                                                          \n
                                                                                                                        1. [latex]\\begin{array}[t]{rr}&63\\\\+&25\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                        2. [latex]\\begin{array}[t]{rr}&15\\\\+&72\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                        3. [latex]\\begin{array}[t]{rr}&43\\\\+&54\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                        4. [latex]\\begin{array}[t]{rr}&42\\\\&33\\\\+&14\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                        5. [latex]\\begin{array}[t]{rr}&34\\\\&22\\\\+&52\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                        6. [latex]\\begin{array}[t]{rr}&21\\\\&46\\\\+&72\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                                                                        7. Find the sums. Be sure to check your answers. (6 marks)\n
                                                                                                                            \n
                                                                                                                          1. [latex]\\begin{array}[t]{rr}&421\\\\+&354\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                          2. [latex]\\begin{array}[t]{rr}&832\\\\+&162\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                          3. [latex]\\begin{array}[t]{rr}&956\\\\+&730\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                          4. [latex]\\begin{array}[t]{rr}&375\\\\&213\\\\+&611\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                          5. [latex]\\begin{array}[t]{rr}&211\\\\&351\\\\+&515\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                          6. [latex]\\begin{array}[t]{rr}&731\\\\&245\\\\+&312\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                                                                          7. Find the sums. Be sure to check your answers. (6 marks)\n
                                                                                                                              \n
                                                                                                                            1. [latex]\\begin{array}[t]{rr}&4\\,235\\\\+& 4\\,730\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                            2. [latex]\\begin{array}[t]{rr}&6\\,513\\\\+& 4\\,182\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                            3. [latex]\\begin{array}[t]{rr}&8\\,250\\\\+& 3\\,647\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                            4. [latex]\\begin{array}[t]{rr}&51\\,672\\\\+& 36\\,124\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                            5. [latex]\\begin{array}[t]{rr}&25\\,146\\\\+& 43\\,503\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                            6. [latex]\\begin{array}[t]{rr}&42\\,196\\\\+& 70\\,301\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                                                                            7. Add these numbers. (4 marks)\n
                                                                                                                                \n
                                                                                                                              1. [latex]\\begin{array}[t]{rr}&45 \\\\ &21\\\\+& 32 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                              2. [latex]\\begin{array}[t]{rr}&242 \\\\&325\\\\+& 112 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                              3. [latex]\\begin{array}[t]{rr}&8\\,013 \\\\& 1\\,246 \\\\+& 5\\,430 \\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n
                                                                                                                              4. [latex]\\begin{array}[t]{rr}&5\\,214 \\\\ &40\\,230 \\\\+& 2\\,345\\\\ \\hline\\\\ \\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

                                                                                                                                Answers to Topic A Self-Test<\/h2>\n
                                                                                                                                  \n
                                                                                                                                1. \n
                                                                                                                                    \n
                                                                                                                                  1. 88<\/li>\n
                                                                                                                                  2. 87<\/li>\n
                                                                                                                                  3. 97<\/li>\n
                                                                                                                                  4. 89<\/li>\n
                                                                                                                                  5. 108<\/li>\n
                                                                                                                                  6. 139<\/li>\n<\/ol>\n<\/li>\n
                                                                                                                                  7. \n
                                                                                                                                      \n
                                                                                                                                    1. 775<\/li>\n
                                                                                                                                    2. 994<\/li>\n
                                                                                                                                    3. 1686<\/span><\/li>\n
                                                                                                                                    4. 1199<\/span><\/li>\n
                                                                                                                                    5. 1077<\/span><\/li>\n
                                                                                                                                    6. 1288<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                                    7. \n
                                                                                                                                        \n
                                                                                                                                      1. 8965<\/span><\/li>\n
                                                                                                                                      2. 10695<\/span><\/li>\n
                                                                                                                                      3. 11897<\/span><\/li>\n
                                                                                                                                      4. 87796<\/span><\/li>\n
                                                                                                                                      5. 29 536<\/li>\n
                                                                                                                                      6. 112497<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                                                                                      7. \n
                                                                                                                                          \n
                                                                                                                                        1. 98<\/li>\n
                                                                                                                                        2. 679<\/li>\n
                                                                                                                                        3. 14689<\/span><\/li>\n
                                                                                                                                        4. 47789<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n","protected":false},"author":999,"menu_order":1,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-57","chapter","type-chapter","status-publish","hentry"],"part":55,"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/57","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/users\/999"}],"version-history":[{"count":3,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/57\/revisions"}],"predecessor-version":[{"id":296,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/57\/revisions\/296"}],"part":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/parts\/55"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapters\/57\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/media?parent=57"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/pressbooks\/v2\/chapter-type?post=57"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/contributor?post=57"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/math022\/wp-json\/wp\/v2\/license?post=57"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}