Mathematical Concepts Flashcards

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Numerical Expression

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A mathematical phrase that includes numbers and operation symbols but no variables.

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Algebraic Expression

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A mathematical phrase that includes numbers, operation symbols, and variables.

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Variable

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A letter or symbol that represents an unknown number.

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Exponent

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A small number written above and to the right of a base number, indicating how many times the base is multiplied by itself.

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Base (of an exponent)

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The number that is multiplied by itself when raised to an exponent.

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Evaluate

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To calculate the value of an expression by following the order of operations.

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Grouping Symbols

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Symbols like parentheses ( ), brackets [ ], or braces { } that indicate which operations should be performed first.

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Order of Operations

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A set of rules (PEMDAS: Parentheses, Exponents, Multiplication/Division, Addition/Subtraction) that determines the correct sequence to solve an expression.

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Coefficient

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A number that is multiplied by a variable in an algebraic expression.

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Term

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A number, a variable, or a product of numbers and variables separated by addition or subtraction signs.