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.

13___10
1716___
20___18
___25
8___3
___55
5___1
10___4
___26
12___11
___312
2013___
3___1
5___4
20___4
20___3
53___
___27
___83
___14
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