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Name Date
Add and Subtract Within 100: Set 1
Use place value to add and subtract.
Answer Key
Add
Write each sum.
1.
60 + 10 = 70
2.
52 + 48 = 100
3.
87 + 11 = 98
4.
59 + 33 = 92
5.
44 + 56 = 100
6.
46 + 31 = 77
7.
21 + 38 = 59
8.
29 + 19 = 48
Subtract
Write each difference.
9.
59 − 13 = 46
10.
51 − 41 = 10
11.
42 − 16 = 26
12.
23 − 15 = 8
13.
67 − 55 = 12
14.
43 − 16 = 27
15.
72 − 43 = 29