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___
16___8
16___15
11___1
51___
4___2
61___
___153
73___
2___1
149___
6___1
41___
9___8
5___2
12___1
___52
16___1
5___4
___121
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