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.

12___10
15___5
___511
1615___
86___
___11
51___
119___
159___
___79
13___1
63___
___21
___312
10___3
9___3
9___1
15___5
3___2
71___
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