Common Core: 2.OA — Operations & Algebraic Thinking
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Name
Date
Score
/ 10
Number Bonds to 100 - Set 1
Directions: Complete each number bond. Parts add up to the whole.
1.
32 + 12 = ?
2.
27 + ? = 47
3.
21 + ? = 51
4.
? + 41 = 55
5.
5 + 53 = ?
6.
57 + 5 = ?
7.
50 + ? = 66
8.
41 + ? = 69
9.
? + 42 = 73
10.
20 + 56 = ?
Great work — check your answers when you finish.
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