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.

___81
17___15
12___6
122___
21___
11___9
32___
13___12
42___
___26
71___
___28
126___
76___
___613
53___
13___3
20___15
115___
19___3
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