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.

10___9
149___
___410
10___1
12___5
16___11
42___
___48
188___
11___3
13___3
18___2
20___8
149___
121___
___21
18___5
20___15
12___9
___15
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