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.

___61
13___3
11___2
___98
___11
21___
___51
138___
___71
18___9
142___
21___
2___1
___101
___17
___53
___65
136___
71___
___613
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