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.

178___
___21
1812___
9___4
208___
15___9
42___
10___8
13___3
20___18
1913___
42___
9___4
___11
10___1
32___
138___
6___3
___101
104___
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