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___9
178___
___31
41___
___18
4___1
15___14
52___
145___
10___2
2___1
4___2
72___
6___1
41___
7___6
21___
17___5
31___
53___
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