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___
11___9
21___
4___1
1310___
12___7
___111
10___8
___38
11___3
8___6
116___
3___1
7___5
13___6
16___6
___21
172___
15___7
13___4
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