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.

1510___
42___
15___6
20___13
4___2
172___
___413
18___13
13___2
1211___
7___1
108___
31___
139___
5___4
___314
19___3
___121
___14
13___10
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