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___11
18___7
___42
___52
13___9
16___15
___67
73___
20___11
1110___
___36
18___7
20___1
2___1
21___
___83
139___
___19
___73
41___
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