Relating Addition and Subtraction Worksheet

Relating Addition and Subtraction - Worksheet #1

If 5 + 10 = 15, what is 10 + 5 equal to?	If 5 + 7 = 12, what is 7 + 5 equal to?
If 10 + 8 = 18, what is 18 - 10 equal to?	If 8 + 9 = 17, what is 9 + 8 equal to?
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