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___
6___4
15___2
6___1
1514___
___16
1613___
___315
2___1
121___
___142
___25
121___
3___1
15___14
115___
151___
1110___
12___11
19___16
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