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.

6___3
4___1
16___5
72___
17___12
___49
15___6
___31
9___3
___143
14___12
105___
8___3
10___1
___61
5___1
20___11
3___2
43___
2___1
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