Mathematics Concepts and Definitions

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Rational Number

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Fractions, decimals, and percentages.

1/2 0.35 25%

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Equivalent Forms

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Different ways of representing the same value, such as a fraction, mixed number, repeating decimal, and percentage.

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Fraction

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A way to represent a part of a whole or any number of equal parts.

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Mixed Number

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A number consisting of a whole number and a proper fraction.

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Repeating Decimal

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A decimal in which a digit or group of digits repeats infinitely.

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Percentage

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A way of expressing a number as a fraction of 100.

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Laws of Exponents

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Rules that define how to simplify expressions involving exponents.

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Base (of an exponent)

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The number that is multiplied by itself the number of times indicated by the exponent.

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Exponent (exponential form)

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A number that indicates how many times the base is multiplied by itself.

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Order of Operations

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The specific sequence in which mathematical operations should be performed to evaluate an expression (PEMDAS).