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.

___143
___28
115___
31___
31___
4___1
42___
72___
4___1
1410___
13___8
7___6
53___
1412___
21___
___106
21___
185___
185___
12___9
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