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.

31___
15___12
___12
14___9
14___1
___15
___83
52___
6___1
19___5
___108
___210
5___1
14___10
42___
128___
4___1
2011___
3___1
4___3
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