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.

___31
13___4
___152
18___14
43___
134___
20___2
___21
1413___
31___
16___7
1310___
98___
___161
139___
___21
171___
72___
1211___
9___3
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