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.

139___
14___9
9___8
21___
82___
12___11
31___
16___4
___14
17___2
___33
___146
___164
18___15
6___1
17___2
52___
___511
3___1
42___
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