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.

13___5
121___
___144
133___
___41
20___19
1311___
2___1
___43
___64
11___2
16___12
62___
19___17
20___5
10___3
139___
___23
___74
31___
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