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___1
21___
17___7
4___3
42___
17___10
___21
1413___
128___
___126
___711
97___
74___
43___
___32
___43
43___
2___1
111___
21___
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