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.

20___12
63___
82___
4___1
___15
4___1
15___4
63___
9___5
165___
18___12
42___
___57
___19
62___
3___1
53___
1914___
18___1
81___
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