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.

1713___
11___3
16___13
91___
145___
21___
154___
129___
42___
13___9
14___7
17___4
___68
13___12
12___7
11___7
112___
61___
21___
___110
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