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.

4___1
5___1
62___
135___
13___1
20___13
12___4
104___
3___1
165___
139___
8___3
___12
1110___
___13
106___
171___
117___
15___12
65___
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