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___
___45
201___
20___2
21___
5___3
9___7
4___1
7___3
165___
___135
1410___
147___
7___6
111___
129___
7___3
13___10
1110___
10___8
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