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.

15___8
1412___
1310___
1918___
18___16
31___
16___15
92___
___21
146___
___61
20___6
___143
___117
98___
151___
21___
1610___
18___15
159___
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