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
127___
___121
138___
14___7
9___7
12___9
___64
___155
2010___
___113
1817___
___311
___15
41___
63___
63___
19___18
149___
16___5
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