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___
2___1
11___5
20___11
1915___
15___9
61___
15___3
111___
7___5
51___
14___8
13___9
___115
___125
19___13
17___11
31___
1312___
181___
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