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.

13___4
42___
5___4
15___3
9___4
152___
10___5
1613___
11___4
___51
20___19
129___
___16
___63
9___6
___85
21___
___31
5___4
10___7
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