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.

___72
___12
___21
___31
___23
___41
21___
158___
104___
98___
1614___
17___8
159___
11___10
7___5
7___3
11___4
114___
___63
61___
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