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.

1311___
___123
12___1
21___
___66
___115
___53
3___1
181___
20___7
71___
2___1
19___10
___11
1811___
1714___
21___
14___1
61___
131___
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