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.

___13
65___
12___4
19___15
___75
10___7
134___
144___
___91
___103
___210
1815___
31___
7___2
21___
51___
17___7
9___5
___31
52___
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