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.

20___15
18___9
51___
107___
___19
72___
42___
20___9
10___5
92___
32___
21___
4___2
14___10
16___12
___42
13___3
151___
10___7
115___
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