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.

32___
143___
187___
21___
___512
___33
13___12
___25
1711___
109___
12___10
___911
___115
9___8
___21
1710___
___125
81___
12___9
72___
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