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.

2___1
31___
21___
31___
135___
1810___
18___9
71___
___83
___512
___23
9___3
20___5
199___
___52
21___
5___2
5___3
10___8
8___2
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