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.

6___5
12___11
1310___
166___
76___
19___7
___1010
16___6
3___1
41___
17___10
21___
18___16
42___
5___1
129___
1514___
___101
144___
___135
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