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.

___57
___137
9___8
10___3
31___
___52
___171
152___
4___3
10___9
11___1
6___4
20___12
20___4
___710
___11
21___
___51
7___3
1511___
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