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.

21___
21___
4___1
12___3
___16
___411
144___
1512___
177___
18___17
183___
___49
143___
1410___
___132
11___7
13___6
11___7
8___6
20___8
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