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.

___21
1513___
171___
4___3
12___5
___712
183___
86___
178___
94___
71___
1614___
1510___
54___
91___
2___1
41___
19___7
13___6
15___1
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