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.

17___9
1211___
19___10
103___
1817___
21___
91___
12___10
18___3
___16
4___3
___75
5___1
8___4
13___4
6___4
___410
14___2
15___13
___711
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