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.

4___1
___45
___143
17___14
159___
62___
117___
159___
155___
1613___
64___
15___10
206___
4___1
5___2
114___
12___1
17___15
14___7
31___
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