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___1
___55
9___3
___12
41___
___57
21___
73___
1915___
107___
2___1
2010___
9___4
___154
185___
7___3
6___3
146___
91___
___111
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