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.

19___5
12___4
10___2
128___
15___8
1615___
___11
16___8
___21
13___1
12___1
___33
2___1
12___4
21___
51___
1814___
___161
165___
21___
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