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___
___136
107___
___75
209___
9___2
12___9
53___
2___1
___613
86___
10___1
8___5
5___3
137___
9___4
20___16
1816___
7___2
3___1
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