{"id":198,"date":"2022-10-07T12:58:06","date_gmt":"2022-10-07T16:58:06","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/math025\/chapter\/unit-4-review\/"},"modified":"2025-06-28T00:40:33","modified_gmt":"2025-06-28T04:40:33","slug":"unit-4-review","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/math025\/chapter\/unit-4-review\/","title":{"raw":"Unit 4 Review","rendered":"Unit 4 Review"},"content":{"raw":"
    \r\n \t
  1. Add these common fractions, make sure to reduce your answer to the lowest terms.\r\n
      \r\n \t
    1. [latex]\\dfrac{1}{3} + \\dfrac{1}{3} = [\/latex]<\/li>\r\n \t
    2. [latex]\\dfrac{3}{7} + \\dfrac{2}{7} = [\/latex]<\/li>\r\n \t
    3. [latex]\\dfrac{4}{5} + \\dfrac{1}{5} = [\/latex]<\/li>\r\n \t
    4. [latex]\\dfrac{3}{8} + \\dfrac{1}{8} = [\/latex]<\/li>\r\n \t
    5. [latex]\\dfrac{4}{8} + \\dfrac{2}{8} = [\/latex]<\/li>\r\n \t
    6. [latex]\\dfrac{1}{12} + \\dfrac{3}{12} = [\/latex]<\/li>\r\n \t
    7. [latex]\\dfrac{3}{7} + \\dfrac{5}{7} = [\/latex]<\/li>\r\n \t
    8. [latex]\\dfrac{7}{21} + \\dfrac{7}{21} = [\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
    9. Add these common fractions, make sure to reduce your answer to lowest terms.\r\n
        \r\n \t
      1. [latex]\\dfrac{1}{3} + \\dfrac{3}{6} = [\/latex]<\/li>\r\n \t
      2. [latex]\\dfrac{1}{2} + \\dfrac{2}{5} = [\/latex]<\/li>\r\n \t
      3. [latex]\\dfrac{1}{4} + \\dfrac{1}{3} = [\/latex]<\/li>\r\n \t
      4. [latex]\\dfrac{3}{5} + \\dfrac{3}{4} = [\/latex]<\/li>\r\n \t
      5. [latex]\\dfrac{3}{7} + \\dfrac{6}{8} = [\/latex]<\/li>\r\n \t
      6. [latex]\\dfrac{1}{2} + \\dfrac{13}{16} = [\/latex]<\/li>\r\n \t
      7. [latex]\\dfrac{1}{8} + \\dfrac{1}{3} = [\/latex]<\/li>\r\n \t
      8. [latex]\\dfrac{3}{4} + \\dfrac{8}{9} = [\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
      9. Add. Express the sum in lowest terms.\r\n
          \r\n \t
        1. [latex]6\\dfrac{3}{5} + 2\\dfrac{3}{7} = [\/latex]<\/li>\r\n \t
        2. [latex]3\\dfrac{1}{4} + 4\\dfrac{1}{2} = [\/latex]<\/li>\r\n \t
        3. [latex]3\\dfrac{3}{8} + 4\\dfrac{1}{4} = [\/latex]<\/li>\r\n \t
        4. [latex]8\\dfrac{1}{5} + 1\\dfrac{2}{7} = [\/latex]<\/li>\r\n \t
        5. \r\n
          [latex]1\\dfrac{14}{15} + 3\\dfrac{1}{3} = [\/latex]<\/div><\/li>\r\n \t
        6. [latex]4\\dfrac{2}{3} + 1\\dfrac{1}{4} = [\/latex]<\/li>\r\n \t
        7. [latex]12\\dfrac{1}{2} + 1\\dfrac{1}{3} = [\/latex]<\/li>\r\n \t
        8. [latex]9\\dfrac{2}{5} + 1\\dfrac{7}{10} = [\/latex]<\/li>\r\n \t
        9. [latex]9\\dfrac{4}{5} + 3\\dfrac{1}{7} = [\/latex]<\/li>\r\n \t
        10. [latex]2\\dfrac{1}{5} + 7\\dfrac{4}{15} = [\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
        11. Subtract. Express your answers in lowest terms.\r\n
            \r\n \t
          1. [latex]\\begin{array}{rr}&\\dfrac{2}{5}\\\\-&\\dfrac{1}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
          2. \r\n
            [latex]\\begin{array}{rr}&\\dfrac{5}{8}\\\\-&\\dfrac{1}{8}\\\\\\hline\\end{array}[\/latex]<\/div><\/li>\r\n \t
          3. [latex]\\begin{array}{rr}&\\dfrac{2}{3}\\\\-&\\dfrac{1}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
          4. [latex]\\begin{array}{rr}&\\dfrac{5}{12}\\\\-&\\dfrac{3}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
          5. Subtract and express your answer in lowest terms\r\n
              \r\n \t
            1. [latex]\\begin{array}{rr}&\\dfrac{17}{22}\\\\-&\\dfrac{6}{22}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            2. [latex]\\begin{array}{rr}&\\dfrac{3}{4}\\\\-&\\dfrac{1}{2}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            3. [latex]\\begin{array}{rr}&\\dfrac{3}{4}\\\\-&\\dfrac{1}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            4. [latex]\\begin{array}{rr}&\\dfrac{9}{10}\\\\-&\\dfrac{4}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            5. [latex]\\begin{array}{rr}&\\dfrac{1}{2}\\\\-&\\dfrac{3}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            6. [latex]\\begin{array}{rr}&\\dfrac{15}{16}\\\\-&\\dfrac{3}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            7. [latex]\\begin{array}{rr}&\\dfrac{9}{16}\\\\-&\\dfrac{1}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
            8. [latex]\\begin{array}{rr}&\\dfrac{1}{6}\\\\-&\\dfrac{1}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
            9. Subtract. Be sure to reduce your answers to lowest terms.\r\n
                \r\n \t
              1. [latex]\\begin{array}{rr}&20\\dfrac{2}{4}\\\\-&10\\dfrac{3}{4}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
              2. [latex]\\begin{array}{rr}&1\\dfrac{2}{3}\\\\-&\\dfrac{5}{6}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
              3. [latex]\\begin{array}{rr}&4\\\\-&\\dfrac{1}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
              4. [latex]\\begin{array}{rr}&4\\dfrac{1}{5}\\\\-&1\\dfrac{2}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
              5. [latex]\\begin{array}{rr}&5\\dfrac{1}{3}\\\\-&\\dfrac{2}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
              6. [latex]\\begin{array}{rr}&9\\dfrac{3}{5}\\\\-&4\\dfrac{4}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
              7. Subtract the following fractions. Express your answer in lowest terms.\r\n
                  \r\n \t
                1. [latex]\\begin{array}{rr}&15\\dfrac{1}{6}\\\\-&3\\dfrac{2}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                2. [latex]\\begin{array}{rr}&7\\\\-&4\\dfrac{1}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                3. [latex]\\begin{array}{rr}&9\\dfrac{1}{4}\\\\-&7\\dfrac{5}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                4. [latex]\\begin{array}{rr}&13\\dfrac{1}{4}\\\\-&3\\dfrac{4}{9}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                5. [latex]\\begin{array}{rr}&13\\\\-&1\\dfrac{1}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                6. [latex]\\begin{array}{rr}&7\\dfrac{1}{3}\\\\-&4\\dfrac{5}{6}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                7. [latex]\\begin{array}{rr}&18\\dfrac{1}{6}\\\\-&14\\dfrac{2}{9}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                8. [latex]\\begin{array}{rr}&4\\dfrac{3}{5}\\\\-&3\\dfrac{3}{4}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                9. [latex]\\begin{array}{rr}&22\\\\-&1\\dfrac{7}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n \t
                10. [latex]\\begin{array}{rr}&19\\dfrac{1}{8}\\\\-&14\\dfrac{1}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                11. Solve the following problems.\r\n
                    \r\n \t
                  1. \r\n
                      \r\n \t
                    1. Cheryl walks for [latex]\\tfrac{1}{2}[\/latex] of an hour on Tuesdays and Thursdays, and [latex]\\tfrac{2}{3}[\/latex] of an hour on Mondays and Wednesdays.\u00a0 On Fridays, Saturdays and Sundays, she walks for [latex]1\\tfrac{1}{4}[\/latex] hours each day.\u00a0 How much time does she walk each week?<\/li>\r\n \t
                    2. The car trip took [latex]2\\tfrac{2}{3}[\/latex] hours for 300km.\u00a0 What was the average speed (in km per hour)?<\/li>\r\n \t
                    3. The kids spent each day of their summer vacation in the lake! They would play in the water for [latex]\\tfrac{3}{4}[\/latex] of an hour in the morning,\u00a0 [latex]\\tfrac{2}{3}[\/latex] of an hour after lunch, and then [latex]1\\tfrac{1}{2}[\/latex] hours before dinner. How many hours did they spend in the water during their 14 day vacation?<\/li>\r\n \t
                    4. A freight truck has [latex]26\\tfrac{1}{4}[\/latex]\u00a0 kg of paper, [latex]4\\tfrac{3}{6}[\/latex] kg of pencils, [latex]37\\tfrac{1}{3}[\/latex] kg of file folders.\u00a0 How much weight was it carrying?<\/li>\r\n \t
                    5. A flight from Fort Nelson to Vancouver takes [latex]2\\tfrac{5}{6}[\/latex] of an hour. If the plane has been flying for [latex]1\\tfrac{1}{4}[\/latex] of an hour, how much longer will the flight be?<\/li>\r\n \t
                    6. According to Statistics Canada, Terrace\u2019s annual rain fall is [latex]970\\tfrac{6}{25}[\/latex]\u00a0 mm, and Smithers\u2019 annual rainfall is [latex]513\\tfrac{1}{4}[\/latex]\u00a0 mm, how much more rain does Terrace get than Smithers each year?<\/li>\r\n \t
                    7. \u00a0A park is [latex]12\\dfrac{1}{2}[\/latex] km wide and [latex]25\\dfrac{1}{3}[\/latex] km long.\u00a0 What is the area of the park?<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n

                      Answers to Unit 4 Review<\/strong><\/h1>\r\n
                        \r\n \t
                      1. \r\n
                          \r\n \t
                        1. [latex]\\dfrac{2}{3}[\/latex]<\/li>\r\n \t
                        2. [latex]\\dfrac{5}{7}[\/latex]<\/li>\r\n \t
                        3. [latex]1[\/latex]<\/li>\r\n \t
                        4. [latex]\\dfrac{1}{2}[\/latex]<\/li>\r\n \t
                        5. [latex]\\dfrac{3}{4}[\/latex]<\/li>\r\n \t
                        6. [latex]\\dfrac{1}{3}[\/latex]<\/li>\r\n \t
                        7. [latex]1\\dfrac{1}{7}[\/latex]<\/li>\r\n \t
                        8. [latex]\\dfrac{2}{3}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                        9. \r\n
                            \r\n \t
                          1. [latex]\\dfrac{5}{6}[\/latex]<\/li>\r\n \t
                          2. [latex]\\dfrac{9}{10}[\/latex]<\/li>\r\n \t
                          3. [latex]\\dfrac{7}{12}[\/latex]<\/li>\r\n \t
                          4. [latex]1\\dfrac{7}{20}[\/latex]<\/li>\r\n \t
                          5. [latex]1\\dfrac{5}{28}[\/latex]<\/li>\r\n \t
                          6. [latex]1\\dfrac{5}{16}[\/latex]<\/li>\r\n \t
                          7. [latex]\\dfrac{11}{24}[\/latex]<\/li>\r\n \t
                          8. [latex]1\\dfrac{23}{36}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                          9. \r\n
                              \r\n \t
                            1. [latex]9\\dfrac{1}{35}[\/latex]<\/li>\r\n \t
                            2. [latex]7\\dfrac{3}{4}[\/latex]<\/li>\r\n \t
                            3. [latex]7\\dfrac{5}{8}[\/latex]<\/li>\r\n \t
                            4. [latex]9\\dfrac{17}{35}[\/latex]<\/li>\r\n \t
                            5. [latex]5\\dfrac{4}{15}[\/latex]<\/li>\r\n \t
                            6. [latex]5\\dfrac{11}{12}[\/latex]<\/li>\r\n \t
                            7. [latex]13\\dfrac{5}{6}[\/latex]<\/li>\r\n \t
                            8. [latex]11\\dfrac{1}{10}[\/latex]<\/li>\r\n \t
                            9. [latex]12\\dfrac{33}{35}[\/latex]<\/li>\r\n \t
                            10. [latex]9\\dfrac{7}{15}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                            11. \r\n
                                \r\n \t
                              1. [latex]\\dfrac{1}{5}[\/latex]<\/li>\r\n \t
                              2. [latex]\\dfrac{1}{2}[\/latex]<\/li>\r\n \t
                              3. [latex]\\dfrac{1}{3}[\/latex]<\/li>\r\n \t
                              4. [latex]\\dfrac{1}{6}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                              5. \r\n
                                  \r\n \t
                                1. [latex]\\dfrac{1}{2}[\/latex]<\/li>\r\n \t
                                2. [latex]\\dfrac{1}{4}[\/latex]<\/li>\r\n \t
                                3. [latex]\\dfrac{2}{3}[\/latex]<\/li>\r\n \t
                                4. [latex]\\dfrac{1}{10}[\/latex]<\/li>\r\n \t
                                5. [latex]\\dfrac{1}{8}[\/latex]<\/li>\r\n \t
                                6. [latex]\\dfrac{9}{16}[\/latex]<\/li>\r\n \t
                                7. [latex]\\dfrac{7}{16}[\/latex]<\/li>\r\n \t
                                8. [latex]\\dfrac{1}{12}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                9. \r\n
                                    \r\n \t
                                  1. [latex]9\\dfrac{3}{4}[\/latex]<\/li>\r\n \t
                                  2. [latex]\\dfrac{5}{6}[\/latex]<\/li>\r\n \t
                                  3. [latex]3\\dfrac{4}{5}[\/latex]<\/li>\r\n \t
                                  4. [latex]2\\dfrac{4}{5}[\/latex]<\/li>\r\n \t
                                  5. [latex]4\\dfrac{2}{3}[\/latex]<\/li>\r\n \t
                                  6. [latex]4\\dfrac{4}{5}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                  7. \r\n
                                      \r\n \t
                                    1. [latex]11\\dfrac{23}{30}[\/latex]<\/li>\r\n \t
                                    2. [latex]2\\dfrac{2}{3}[\/latex]<\/li>\r\n \t
                                    3. [latex]1\\dfrac{5}{8}[\/latex]<\/li>\r\n \t
                                    4. [latex]9\\dfrac{29}{36}[\/latex]<\/li>\r\n \t
                                    5. [latex]11\\dfrac{4}{5}[\/latex]<\/li>\r\n \t
                                    6. [latex]2\\dfrac{1}{2}[\/latex]<\/li>\r\n \t
                                    7. [latex]3\\dfrac{17}{18}[\/latex]<\/li>\r\n \t
                                    8. [latex]\\dfrac{17}{20}[\/latex]<\/li>\r\n \t
                                    9. [latex]20\\dfrac{5}{12}[\/latex]<\/li>\r\n \t
                                    10. [latex]4\\dfrac{19}{24}[\/latex]<\/li>\r\n<\/ol>\r\n<\/li>\r\n \t
                                    11. \r\n
                                        \r\n \t
                                      1. Cheryl walked [latex]6\\tfrac{1}{12}[\/latex] hours each week.<\/li>\r\n \t
                                      2. The average was\u00a0 [latex]112\\tfrac{1}{2}[\/latex] km\/hour<\/li>\r\n \t
                                      3. [latex]40\\tfrac{5}{6}[\/latex] hours in the lake<\/li>\r\n \t
                                      4. [latex]68\\tfrac{1}{12}[\/latex] kg<\/li>\r\n \t
                                      5. [latex]1\\tfrac{7}{12}[\/latex] hours left on the flight<\/li>\r\n \t
                                      6. \u00a0Terrace gets [latex]456\\tfrac{99}{100}[\/latex] cm more rain per year than Smithers.<\/li>\r\n \t
                                      7. [latex]316\\tfrac{2}{3}[\/latex] km2<\/sup><\/li>\r\n<\/ol>\r\n<\/li>\r\n<\/ol>\r\n
                                        \r\n
                                        \r\n\r\nIt is now test time!\r\n\r\nPlease get the Unit 4 test from your instructor.\r\n\r\nGood luck!\r\n\r\n<\/div>\r\n \r\n\r\n<\/div>\r\n
                                        \r\n
                                        \r\n
                                        <\/div>\r\n<\/div>\r\n<\/div>\r\n ","rendered":"
                                          \n
                                        1. Add these common fractions, make sure to reduce your answer to the lowest terms.\n
                                            \n
                                          1. [latex]\\dfrac{1}{3} + \\dfrac{1}{3} =[\/latex]<\/li>\n
                                          2. [latex]\\dfrac{3}{7} + \\dfrac{2}{7} =[\/latex]<\/li>\n
                                          3. [latex]\\dfrac{4}{5} + \\dfrac{1}{5} =[\/latex]<\/li>\n
                                          4. [latex]\\dfrac{3}{8} + \\dfrac{1}{8} =[\/latex]<\/li>\n
                                          5. [latex]\\dfrac{4}{8} + \\dfrac{2}{8} =[\/latex]<\/li>\n
                                          6. [latex]\\dfrac{1}{12} + \\dfrac{3}{12} =[\/latex]<\/li>\n
                                          7. [latex]\\dfrac{3}{7} + \\dfrac{5}{7} =[\/latex]<\/li>\n
                                          8. [latex]\\dfrac{7}{21} + \\dfrac{7}{21} =[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                          9. Add these common fractions, make sure to reduce your answer to lowest terms.\n
                                              \n
                                            1. [latex]\\dfrac{1}{3} + \\dfrac{3}{6} =[\/latex]<\/li>\n
                                            2. [latex]\\dfrac{1}{2} + \\dfrac{2}{5} =[\/latex]<\/li>\n
                                            3. [latex]\\dfrac{1}{4} + \\dfrac{1}{3} =[\/latex]<\/li>\n
                                            4. [latex]\\dfrac{3}{5} + \\dfrac{3}{4} =[\/latex]<\/li>\n
                                            5. [latex]\\dfrac{3}{7} + \\dfrac{6}{8} =[\/latex]<\/li>\n
                                            6. [latex]\\dfrac{1}{2} + \\dfrac{13}{16} =[\/latex]<\/li>\n
                                            7. [latex]\\dfrac{1}{8} + \\dfrac{1}{3} =[\/latex]<\/li>\n
                                            8. [latex]\\dfrac{3}{4} + \\dfrac{8}{9} =[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                            9. Add. Express the sum in lowest terms.\n
                                                \n
                                              1. [latex]6\\dfrac{3}{5} + 2\\dfrac{3}{7} =[\/latex]<\/li>\n
                                              2. [latex]3\\dfrac{1}{4} + 4\\dfrac{1}{2} =[\/latex]<\/li>\n
                                              3. [latex]3\\dfrac{3}{8} + 4\\dfrac{1}{4} =[\/latex]<\/li>\n
                                              4. [latex]8\\dfrac{1}{5} + 1\\dfrac{2}{7} =[\/latex]<\/li>\n
                                              5. \n
                                                [latex]1\\dfrac{14}{15} + 3\\dfrac{1}{3} =[\/latex]<\/div>\n<\/li>\n
                                              6. [latex]4\\dfrac{2}{3} + 1\\dfrac{1}{4} =[\/latex]<\/li>\n
                                              7. [latex]12\\dfrac{1}{2} + 1\\dfrac{1}{3} =[\/latex]<\/li>\n
                                              8. [latex]9\\dfrac{2}{5} + 1\\dfrac{7}{10} =[\/latex]<\/li>\n
                                              9. [latex]9\\dfrac{4}{5} + 3\\dfrac{1}{7} =[\/latex]<\/li>\n
                                              10. [latex]2\\dfrac{1}{5} + 7\\dfrac{4}{15} =[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                              11. Subtract. Express your answers in lowest terms.\n
                                                  \n
                                                1. [latex]\\begin{array}{rr}&\\dfrac{2}{5}\\\\-&\\dfrac{1}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                2. \n
                                                  [latex]\\begin{array}{rr}&\\dfrac{5}{8}\\\\-&\\dfrac{1}{8}\\\\\\hline\\end{array}[\/latex]<\/div>\n<\/li>\n
                                                3. [latex]\\begin{array}{rr}&\\dfrac{2}{3}\\\\-&\\dfrac{1}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                4. [latex]\\begin{array}{rr}&\\dfrac{5}{12}\\\\-&\\dfrac{3}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                5. Subtract and express your answer in lowest terms\n
                                                    \n
                                                  1. [latex]\\begin{array}{rr}&\\dfrac{17}{22}\\\\-&\\dfrac{6}{22}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  2. [latex]\\begin{array}{rr}&\\dfrac{3}{4}\\\\-&\\dfrac{1}{2}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  3. [latex]\\begin{array}{rr}&\\dfrac{3}{4}\\\\-&\\dfrac{1}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  4. [latex]\\begin{array}{rr}&\\dfrac{9}{10}\\\\-&\\dfrac{4}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  5. [latex]\\begin{array}{rr}&\\dfrac{1}{2}\\\\-&\\dfrac{3}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  6. [latex]\\begin{array}{rr}&\\dfrac{15}{16}\\\\-&\\dfrac{3}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  7. [latex]\\begin{array}{rr}&\\dfrac{9}{16}\\\\-&\\dfrac{1}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                  8. [latex]\\begin{array}{rr}&\\dfrac{1}{6}\\\\-&\\dfrac{1}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                  9. Subtract. Be sure to reduce your answers to lowest terms.\n
                                                      \n
                                                    1. [latex]\\begin{array}{rr}&20\\dfrac{2}{4}\\\\-&10\\dfrac{3}{4}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                    2. [latex]\\begin{array}{rr}&1\\dfrac{2}{3}\\\\-&\\dfrac{5}{6}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                    3. [latex]\\begin{array}{rr}&4\\\\-&\\dfrac{1}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                    4. [latex]\\begin{array}{rr}&4\\dfrac{1}{5}\\\\-&1\\dfrac{2}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                    5. [latex]\\begin{array}{rr}&5\\dfrac{1}{3}\\\\-&\\dfrac{2}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                    6. [latex]\\begin{array}{rr}&9\\dfrac{3}{5}\\\\-&4\\dfrac{4}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                    7. Subtract the following fractions. Express your answer in lowest terms.\n
                                                        \n
                                                      1. [latex]\\begin{array}{rr}&15\\dfrac{1}{6}\\\\-&3\\dfrac{2}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      2. [latex]\\begin{array}{rr}&7\\\\-&4\\dfrac{1}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      3. [latex]\\begin{array}{rr}&9\\dfrac{1}{4}\\\\-&7\\dfrac{5}{8}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      4. [latex]\\begin{array}{rr}&13\\dfrac{1}{4}\\\\-&3\\dfrac{4}{9}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      5. [latex]\\begin{array}{rr}&13\\\\-&1\\dfrac{1}{5}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      6. [latex]\\begin{array}{rr}&7\\dfrac{1}{3}\\\\-&4\\dfrac{5}{6}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      7. [latex]\\begin{array}{rr}&18\\dfrac{1}{6}\\\\-&14\\dfrac{2}{9}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      8. [latex]\\begin{array}{rr}&4\\dfrac{3}{5}\\\\-&3\\dfrac{3}{4}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      9. [latex]\\begin{array}{rr}&22\\\\-&1\\dfrac{7}{12}\\\\\\hline\\end{array}[\/latex]<\/li>\n
                                                      10. [latex]\\begin{array}{rr}&19\\dfrac{1}{8}\\\\-&14\\dfrac{1}{3}\\\\\\hline\\end{array}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                      11. Solve the following problems.\n
                                                          \n
                                                        1. \n
                                                            \n
                                                          1. Cheryl walks for [latex]\\tfrac{1}{2}[\/latex] of an hour on Tuesdays and Thursdays, and [latex]\\tfrac{2}{3}[\/latex] of an hour on Mondays and Wednesdays.\u00a0 On Fridays, Saturdays and Sundays, she walks for [latex]1\\tfrac{1}{4}[\/latex] hours each day.\u00a0 How much time does she walk each week?<\/li>\n
                                                          2. The car trip took [latex]2\\tfrac{2}{3}[\/latex] hours for 300km.\u00a0 What was the average speed (in km per hour)?<\/li>\n
                                                          3. The kids spent each day of their summer vacation in the lake! They would play in the water for [latex]\\tfrac{3}{4}[\/latex] of an hour in the morning,\u00a0 [latex]\\tfrac{2}{3}[\/latex] of an hour after lunch, and then [latex]1\\tfrac{1}{2}[\/latex] hours before dinner. How many hours did they spend in the water during their 14 day vacation?<\/li>\n
                                                          4. A freight truck has [latex]26\\tfrac{1}{4}[\/latex]\u00a0 kg of paper, [latex]4\\tfrac{3}{6}[\/latex] kg of pencils, [latex]37\\tfrac{1}{3}[\/latex] kg of file folders.\u00a0 How much weight was it carrying?<\/li>\n
                                                          5. A flight from Fort Nelson to Vancouver takes [latex]2\\tfrac{5}{6}[\/latex] of an hour. If the plane has been flying for [latex]1\\tfrac{1}{4}[\/latex] of an hour, how much longer will the flight be?<\/li>\n
                                                          6. According to Statistics Canada, Terrace\u2019s annual rain fall is [latex]970\\tfrac{6}{25}[\/latex]\u00a0 mm, and Smithers\u2019 annual rainfall is [latex]513\\tfrac{1}{4}[\/latex]\u00a0 mm, how much more rain does Terrace get than Smithers each year?<\/li>\n
                                                          7. \u00a0A park is [latex]12\\dfrac{1}{2}[\/latex] km wide and [latex]25\\dfrac{1}{3}[\/latex] km long.\u00a0 What is the area of the park?<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n

                                                            Answers to Unit 4 Review<\/strong><\/h1>\n
                                                              \n
                                                            1. \n
                                                                \n
                                                              1. [latex]\\dfrac{2}{3}[\/latex]<\/li>\n
                                                              2. [latex]\\dfrac{5}{7}[\/latex]<\/li>\n
                                                              3. [latex]1[\/latex]<\/li>\n
                                                              4. [latex]\\dfrac{1}{2}[\/latex]<\/li>\n
                                                              5. [latex]\\dfrac{3}{4}[\/latex]<\/li>\n
                                                              6. [latex]\\dfrac{1}{3}[\/latex]<\/li>\n
                                                              7. [latex]1\\dfrac{1}{7}[\/latex]<\/li>\n
                                                              8. [latex]\\dfrac{2}{3}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                              9. \n
                                                                  \n
                                                                1. [latex]\\dfrac{5}{6}[\/latex]<\/li>\n
                                                                2. [latex]\\dfrac{9}{10}[\/latex]<\/li>\n
                                                                3. [latex]\\dfrac{7}{12}[\/latex]<\/li>\n
                                                                4. [latex]1\\dfrac{7}{20}[\/latex]<\/li>\n
                                                                5. [latex]1\\dfrac{5}{28}[\/latex]<\/li>\n
                                                                6. [latex]1\\dfrac{5}{16}[\/latex]<\/li>\n
                                                                7. [latex]\\dfrac{11}{24}[\/latex]<\/li>\n
                                                                8. [latex]1\\dfrac{23}{36}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                9. \n
                                                                    \n
                                                                  1. [latex]9\\dfrac{1}{35}[\/latex]<\/li>\n
                                                                  2. [latex]7\\dfrac{3}{4}[\/latex]<\/li>\n
                                                                  3. [latex]7\\dfrac{5}{8}[\/latex]<\/li>\n
                                                                  4. [latex]9\\dfrac{17}{35}[\/latex]<\/li>\n
                                                                  5. [latex]5\\dfrac{4}{15}[\/latex]<\/li>\n
                                                                  6. [latex]5\\dfrac{11}{12}[\/latex]<\/li>\n
                                                                  7. [latex]13\\dfrac{5}{6}[\/latex]<\/li>\n
                                                                  8. [latex]11\\dfrac{1}{10}[\/latex]<\/li>\n
                                                                  9. [latex]12\\dfrac{33}{35}[\/latex]<\/li>\n
                                                                  10. [latex]9\\dfrac{7}{15}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                  11. \n
                                                                      \n
                                                                    1. [latex]\\dfrac{1}{5}[\/latex]<\/li>\n
                                                                    2. [latex]\\dfrac{1}{2}[\/latex]<\/li>\n
                                                                    3. [latex]\\dfrac{1}{3}[\/latex]<\/li>\n
                                                                    4. [latex]\\dfrac{1}{6}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                    5. \n
                                                                        \n
                                                                      1. [latex]\\dfrac{1}{2}[\/latex]<\/li>\n
                                                                      2. [latex]\\dfrac{1}{4}[\/latex]<\/li>\n
                                                                      3. [latex]\\dfrac{2}{3}[\/latex]<\/li>\n
                                                                      4. [latex]\\dfrac{1}{10}[\/latex]<\/li>\n
                                                                      5. [latex]\\dfrac{1}{8}[\/latex]<\/li>\n
                                                                      6. [latex]\\dfrac{9}{16}[\/latex]<\/li>\n
                                                                      7. [latex]\\dfrac{7}{16}[\/latex]<\/li>\n
                                                                      8. [latex]\\dfrac{1}{12}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                      9. \n
                                                                          \n
                                                                        1. [latex]9\\dfrac{3}{4}[\/latex]<\/li>\n
                                                                        2. [latex]\\dfrac{5}{6}[\/latex]<\/li>\n
                                                                        3. [latex]3\\dfrac{4}{5}[\/latex]<\/li>\n
                                                                        4. [latex]2\\dfrac{4}{5}[\/latex]<\/li>\n
                                                                        5. [latex]4\\dfrac{2}{3}[\/latex]<\/li>\n
                                                                        6. [latex]4\\dfrac{4}{5}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                        7. \n
                                                                            \n
                                                                          1. [latex]11\\dfrac{23}{30}[\/latex]<\/li>\n
                                                                          2. [latex]2\\dfrac{2}{3}[\/latex]<\/li>\n
                                                                          3. [latex]1\\dfrac{5}{8}[\/latex]<\/li>\n
                                                                          4. [latex]9\\dfrac{29}{36}[\/latex]<\/li>\n
                                                                          5. [latex]11\\dfrac{4}{5}[\/latex]<\/li>\n
                                                                          6. [latex]2\\dfrac{1}{2}[\/latex]<\/li>\n
                                                                          7. [latex]3\\dfrac{17}{18}[\/latex]<\/li>\n
                                                                          8. [latex]\\dfrac{17}{20}[\/latex]<\/li>\n
                                                                          9. [latex]20\\dfrac{5}{12}[\/latex]<\/li>\n
                                                                          10. [latex]4\\dfrac{19}{24}[\/latex]<\/li>\n<\/ol>\n<\/li>\n
                                                                          11. \n
                                                                              \n
                                                                            1. Cheryl walked [latex]6\\tfrac{1}{12}[\/latex] hours each week.<\/li>\n
                                                                            2. The average was\u00a0 [latex]112\\tfrac{1}{2}[\/latex] km\/hour<\/li>\n
                                                                            3. [latex]40\\tfrac{5}{6}[\/latex] hours in the lake<\/li>\n
                                                                            4. [latex]68\\tfrac{1}{12}[\/latex] kg<\/li>\n
                                                                            5. [latex]1\\tfrac{7}{12}[\/latex] hours left on the flight<\/li>\n
                                                                            6. \u00a0Terrace gets [latex]456\\tfrac{99}{100}[\/latex] cm more rain per year than Smithers.<\/li>\n
                                                                            7. [latex]316\\tfrac{2}{3}[\/latex] km2<\/sup><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n
                                                                              \n
                                                                              \n

                                                                              It is now test time!<\/p>\n

                                                                              Please get the Unit 4 test from your instructor.<\/p>\n

                                                                              Good luck!<\/p>\n<\/div>\n

                                                                               <\/p>\n<\/div>\n

                                                                              \n
                                                                              \n
                                                                              <\/div>\n<\/div>\n<\/div>\n

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