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
2014___
___210
129___
___21
18___12
208___
___78
6___4
5___1
2011___
137___
146___
87___
15___7
2___1
1412___
20___10
146___
6___2
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