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.

___910
1210___
17___11
21___
1511___
13___9
4___3
___214
15___3
6___3
6___1
1813___
115___
___11
11___10
13___7
15___12
199___
63___
___18
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