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.

17___10
___31
6___1
139___
42___
31___
___511
21___
11___7
76___
83___
1913___
1716___
1615___
20___17
95___
13___10
18___6
53___
___73
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