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.

___23
135___
31___
12___9
72___
133___
13___9
___135
73___
4___1
133___
16___15
___61
86___
___22
63___
121___
7___5
1716___
1910___
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