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
111___
7___2
4___3
31___
21___
17___13
71___
___144
___810
___512
___32
18___5
___13
17___6
20___4
16___2
13___11
8___2
21___
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