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.

5___4
8___5
15___5
7___1
19___16
___32
9___5
19___1
2___1
10___1
63___
31___
5___4
1916___
___75
125___
156___
12___8
___133
21___
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