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.

20___7
51___
___21
6___5
11___7
1815___
___57
111___
2___1
___38
136___
3___1
199___
159___
176___
17___15
1714___
109___
108___
129___
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