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.

___215
___415
129___
___48
___143
8___1
10___1
17___15
98___
___13
9___1
11___8
52___
___21
7___3
1810___
144___
109___
11___9
12___10
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