Number Bonds Worksheet

Fill in the missing numbers to complete each number bond. The two parts at the bottom add up to the whole number at the top.

___910
20___1
___11
20___4
15___10
74___
11___8
8___3
3___2
1713___
7___1
13___7
87___
___21
12___3
10___8
___144
19___13
158___
___21
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