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.

___66
___18
6___1
___42
3___2
9___4
10___5
8___2
3___2
___11
14___8
___11
10___4
4___2
18___13
42___
31___
133___
65___
85___
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