Unit 5 Expressions Part 1 Flashcard

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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 evaluate an expression?

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To evaluate an expression means to calculate its value by substituting variables with numbers and performing the operations.

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What is the distributive property?

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The distributive property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

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How do you write repeated multiplication using exponents?

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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 or equation.

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What does it mean to find the value of an expression?

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Finding the value of an expression involves substituting the variables with specific numbers and calculating the result.

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What is the sum of a number and 16 multiplied by 3 represented as an expression?

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