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
___23
83___
139___
___77
10___3
107___
18___3
2___1
1915___
19___10
20___19
1713___
6___1
137___
19___12
1511___
1714___
41___
117___
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