Review of Vocabulary Words for Math (Original)

A letter or symbol used to represent an unknown quantity.

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An expression that includes a variable.

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A number whose whole number part and the fractional part is separated by a decimal point.

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Two or more numbers that are multiplied to give a product.

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The result of multiplying.

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To replace a variable with a number in an expression, equation, or inequality.

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A number that tells how many times another number, called the base, is used as a factor.

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The order in which operations in an expression must be performed when more than one operation is involved.

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Mathematical operations that undo each other.

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A whole number greater than 1 that has exactly two factors, itself and 1.

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