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.

21___
4___1
171___
2010___
42___
82___
193___
5___2
85___
52___
159___
11___6
15___4
___35
8___6
20___9
1410___
31___
___216
___512
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