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.

21___
3___2
16___8
6___3
___11
41___
20___10
1715___
17___9
139___
1511___
158___
52___
___42
7___1
12___2
19___14
___611
1311___
___53
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