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.

10___5
19___9
19___18
___36
13___2
17___14
___143
109___
___25
9___7
21___
65___
14___9
___37
91___
1710___
7___5
___144
117___
3___1
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