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___
___141
20___19
___42
17___10
71___
13___12
6___1
31___
___411
5___4
___31
133___
181___
1610___
92___
7___6
104___
___126
5___4
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