Mathematical Terms and Concepts

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5 Number Summary

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A summary of a data set that includes the minimum, first quartile, median, third quartile, and maximum.

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Absolute Value

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The distance of a number from zero on the number line, without considering direction.

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Accurate

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Free from error; precise.

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Acute

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An angle that is less than 90 degrees.

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Additive Inverse

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The number that, when added to the original number, results in a sum of zero.

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Adjacent Angle

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Two angles that share a common side and vertex.

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Appropriate

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Suitable or proper in the circumstances.

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Approximate

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Close to the actual, but not completely accurate or exact.

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Area

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The measure of the surface enclosed by a geometric figure.

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Area Model

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A model for math problems where the length and width are configured to represent a product.