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___
18___8
87___
10___2
13___3
128___
20___15
___410
19___16
18___8
___123
___14
___21
108___
109___
6___5
4___1
73___
1816___
___11
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