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.

21___
___43
64___
2___1
103___
63___
1913___
2010___
20___18
21___
___11
12___6
7___3
1413___
32___
63___
11___7
___217
11___1
147___
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