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.

20___17
1511___
___313
___21
6___2
10___4
___116
76___
139___
___75
126___
1210___
86___
10___4
___109
15___9
115___
32___
54___
1813___
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