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___5
51___
11___10
12___11
___51
42___
12___5
1612___
91___
85___
129___
31___
1511___
1511___
1814___
105___
21___
9___7
6___1
2___1
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