Mathematical Terms and Definitions

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sum

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The answer to an addition problem, the result of adding two or more numbers.

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product

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The answer to a multiplication problem.

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difference

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The answer to a subtraction problem.

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quotient

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The answer to a division problem.

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exponent

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A mathematical notation indicating the number of times a quantity is multiplied by itself.

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Rational numbers

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All positive and negative integers, fractions and decimal numbers.

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irrational numbers

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Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating.

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Integers

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Whole numbers and their opposites.

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whole numbers

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Natural numbers (counting numbers) and zero; 0, 1, 2, 3...

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Natural Numbers

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The set of numbers 1, 2, 3, 4, ... Also called counting numbers.