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.

2___1
2___1
21___
3___1
15___3
2___1
129___
17___4
17___11
1615___
138___
2014___
___154
4___3
145___
172___
87___
___511
5___2
11___9
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