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___
20___19
___73
91___
135___
___54
109___
13___8
7___2
___142
___71
18___10
104___
6___5
91___
___115
14___13
5___2
___84
18___5
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