# An Example of Subtraction of Negative Numbers

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A puzzling issue for educators in elementary education is how to explain arithmetic operations between negative numbers: why, for example, subtracting a negative number is the same as adding a positive number or why the product of two negatives gives a positive. A related problem is to find good examples in which these operations appear in the "real world" and that students find sensible.

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Contributed by: Enrique Zeleny (March 2011)

Open content licensed under CC BY-NC-SA

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"An Example of Subtraction of Negative Numbers"

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Wolfram Demonstrations Project

Published: March 7 2011