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.

5___3
21___
20___18
31___
135___
73___
64___
___41
___39
198___
144___
19___3
___16
9___1
7___2
8___3
9___1
21___
___111
13___12
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