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___17
1712___
1410___
___127
4___2
___34
7___5
___78
9___3
___122
___18
___65
126___
15___10
12___7
144___
___22
___415
21___
___111
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