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
5___2
81___
11___4
123___
1912___
___12
207___
___911
___64
16___12
109___
9___2
4___2
___21
___33
18___15
___613
52___
2___1
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