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.

20___10
10___3
13___9
15___9
4___1
8___6
20___6
___710
___110
___111
___412
11___9
20___13
13___8
13___11
31___
135___
1110___
___119
31___
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