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.

4___3
11___3
___18
___513
21___
4___2
___217
12___1
21___
4___3
136___
6___3
1714___
199___
21___
11___3
13___7
109___
20___12
169___
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