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___
___17
___12
___12
17___14
8___6
5___2
6___3
14___2
5___4
___512
17___15
8___6
97___
82___
9___1
52___
___710
2010___
42___
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