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.

1210___
21___
4___3
18___17
133___
___45
17___1
6___5
21___
189___
165___
32___
32___
10___8
42___
13___2
5___3
41___
___57
142___
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