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___
21___
19___12
19___5
15___13
53___
___512
___142
2___1
9___7
21___
20___16
43___
154___
1310___
84___
___414
5___1
16___10
16___14
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