Common Core: 2.OA — Operations & Algebraic Thinking
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Name
Date
Score
/ 10
Number Bonds to 20 - Set 5
Directions: Complete each number bond. Parts add up to the whole.
1.
12 + 2 = ?
2.
10 + ? = 14
3.
9 + ? = 15
4.
? + 9 = 15
5.
? + 12 = 16
6.
2 + 15 = ?
7.
15 + ? = 17
8.
13 + ? = 18
9.
? + 8 = 19
10.
? + 11 = 19
Great work — check your answers when you finish.
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