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.

63___
184___
128___
14___4
15___10
1810___
___215
4___2
___15
___21
21___
31___
17___9
87___
21___
12___6
___77
21___
___83
21___
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