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.

17___5
137___
17___12
15___12
205___
16___10
21___
2011___
___31
21___
___65
___121
4___3
17___3
18___6
138___
3___1
17___2
___21
107___
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