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.

12___6
___511
127___
2010___
4___3
18___1
___137
7___6
13___9
20___18
18___5
42___
13___9
6___2
114___
6___3
21___
___15
17___12
32___
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