Unit 2: Addition
Unit 2 Review: Addition
You will now practice all the skills you learned in Unit 2. Check your work using the answer key at the end of the review
- Find the sums.
- [latex]\begin{array}[t]{rr}&23\\+&35\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&47\\+&52\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&62\\+&36\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&51\\+&24\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&64\\+&14\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&53\\+&32\\ \hline \\ \end{array}[/latex]
- Find the sums.
- [latex]\begin{array}[t]{rr}&23\\&34\\+&42\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&42\\&35\\+&70\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&41\\&58\\+&20\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&51\\&43\\+&70\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&22\\&46\\+&31\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&63\\&24\\+&81\\ \hline \\ \end{array}[/latex]
- Find the sums.
- [latex]\begin{array}[t]{rr}&518\\+&470\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&410\\+&316\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&820\\+&149\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&631\\+&235\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&240\\+&523\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&723\\+&126\\ \hline \\ \end{array}[/latex]
- Find the sums.
- [latex]\begin{array}[t]{rr}&453\\&216\\+&320\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&231\\&425\\+&313\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&212\\&345\\+&831\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&726\\&130\\+&443\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&542\\&315\\+&641\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&314\\&245\\+&630\\ \hline \\ \end{array}[/latex]
- Find the sums.
- [latex]\begin{array}[t]{rr}&3\, 168\\+& 3\, 220\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&3\, 782 \\+& 4 \,217\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&7\, 521 \\+& 3\, 167\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&52\, 163 \\+& 72\, 835\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&54\, 373 \\+& 54\, 625\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&83\, 245 \\+& 13\, 450\\ \hline \\ \end{array}[/latex]
- Find the sums.
- 45 + 104
- 523 + 364
- 5231 + 346
- 4661 + 2138
- 42 + 707 + 350
- 63613 + 45165
- 22514 + 43262 + 21102
- 72510 + 4127 + 13041
- Find the sums.
- [latex]\begin{array}[t]{rr}&96\\+&58\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&87\\+&57\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&35\\+&89\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&48\\+&63\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&54\\+&98\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&37\\+&65\\ \hline \\ \end{array}[/latex]
- Find the sums.
- [latex]\begin{array}[t]{rr}&27\\&18\\+&35\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&52\\&16\\+&79\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&58\\&37\\+&29\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&42\\&59\\+&26\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&36\\&84\\+&57\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&21\\&54\\+&36\\ \hline \\ \end{array}[/latex]
- Find the sums.
- [latex]\begin{array}[t]{rr}&527\\+&319\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&382\\+&476\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&3\, 782\\+& 4 \,561\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&6\, 789 \\+& 4 \,567\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&83\, 245 \\+& 13\, 876\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&52\, 368 \\+& 29\, 240\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&683\\&194\\+&276\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&483\\&629\\+&753\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&4\, 216 \\&3\, 807 \\+& 4\, 498\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&11\, 615 \\&12\, 573\\+& 76\, 125\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&321\, 456 \\&523\, 214 \\+& 212\, 304\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&12\, 421 \\&6\, 815 \\+& 42\, 916\\ \hline \\ \end{array}[/latex]
- Find the sums.
- 234 + 357 + 526 =
- 435 + 16 + 127 =
- 4118 + 2671 + 1590 =
- 67543 + 17069 =
- 4235 + 6815 + 42916 =
- 231262 + 64221 + 7143 =
- Estimate the sums.
- [latex]\begin{array}[t]{rr}&217\\&316\\+&142\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&3\, 317\\&2\, 154 \\+&1\, 212\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&21\, 016\\&14\, 527 \\+& 51\, 202\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&31\, 945 \\&12\, 214 \\+&3\, 142\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&41\, 730 \\ &2\, 151 \\&33\, 225\\+&14\, 659\\ \hline \\ \end{array}[/latex]
- [latex]\begin{array}[t]{rr}&2\, 173\, 317 \\&3\, 621\, 154 \\+ &1\, 421\, 212\\ \hline \\ \end{array}[/latex]
- Estimate the following answers. be sure to round to the largest place value possible before adding. remember to circle the information and underline what is being asked.
- The Plumbers’ Union has 456 members. The Carpenters’ Union has 875 members. The Electricians’ Union has 1 394 members. Estimate how many members these three unions have.
- Last year Seung shipped 42169 orders from his warehouse. So far this year, Seung has shipped 5837 orders. Estimate the total number of orders sent.
- Avani has driven 42576 kilometres, 38342 kilometres and 14208 kilometres in the last three years. Estimate how many kilometres Avani has driven in the last three years.
Answers to Unit 2 Review
-
- 58
- 99
- 98
- 75
- 78
- 85
-
- 99
- 147
- 119
- 164
- 99
- 168
-
- 988
- 726
- 969
- 866
- 763
- 849
-
- 989
- 969
- 1388
- 1299
- 1498
- 1189
-
- 6388
- 7999
- 10688
- 124998
- 108998
- 96695
-
- 149
- 887
- 5577
- 6799
- 1099
- 108778
- 86878
- 89678
-
- 154
- 144
- 124
- 111
- 152
- 102
-
- 80
- 147
- 124
- 127
- 177
- 111
-
- 846
- 858
- 8343
- 11356
- 97121
- 81608
- 1153
- 1865
- 12521
- 100313
- 1056974
- 62152
-
- 1117
- 578
- 8379
- 84612
- 53966
- 302626
-
- 200 + 300 + 100 = 600
- 3000 + 2000 + 1000 = 6000
- 20000 + 10000 + 50000 = 80000
- 32000 + 12000 + 3000 = 47000
- 42000 + 2000 + 33000 + 15000 = 92000
- 2000000 + 4000000 + 1000000 = 7000000
-
- 500 + 900 + 1400 = 2800 members
- 42000 + 6000 = 48000 orders
- 40000 + 40000 +10000 = 90000 kilometers
CONGRATULATIONS!!
Now you have finished Unit 2.
TEST TIME!
Ask your instructor for the Unit 2 test.
Good luck!