6th Grade MAAP Review Expressions

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What is an expression in mathematics?

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An expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.

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What does it mean to simplify an expression?

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To simplify an expression means to combine like terms and perform operations to reduce it to its simplest form.

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What is a variable in an expression?

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A variable is a symbol (often a letter) that represents an unknown value in an expression.

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What are like terms?

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Like terms are terms in an expression that have the same variable raised to the same power.

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What is the order of operations?

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The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often remembered as PEMDAS.

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