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.

138___
72___
16___10
3___1
9___8
___52
43___
___67
109___
166___
___65
54___
72___
63___
18___16
___28
___511
87___
4___2
81___
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