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.

2013___
17___16
7___6
___11
___413
209___
___26
___31
2___1
4___2
123___
13___3
___811
___17
21___
1910___
___46
105___
3___1
10___2
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