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.

15___11
___51
1911___
43___
51___
15___11
18___8
___18
65___
177___
2___1
64___
138___
123___
159___
21___
___141
20___3
2___1
13___2
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