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.

1514___
___45
___145
21___
7___3
135___
12___2
41___
161___
2___1
31___
5___1
7___3
___83
5___1
19___16
13___4
20___14
___1010
31___
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