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___
___151
3___2
1512___
10___1
109___
5___1
___12
21___
21___
65___
63___
113___
___61
209___
155___
12___10
1513___
2___1
15___7
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