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.

___45
12___7
87___
20___6
___31
6___4
179___
1913___
12___5
54___
17___9
18___10
10___7
207___
158___
21___
187___
8___1
149___
21___
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