SOL 5.19 Algebraic Expression

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What is an algebraic expression?

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An algebraic expression is a mathematical phrase that can include numbers, variables (like x or y), and operations (like addition, subtraction, multiplication, and division).

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What does the variable represent in an expression?

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A variable represents an unknown value in an expression. It can change or vary.

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What is the purpose of using variables in algebra?

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Variables allow us to write general rules and formulas that can apply to many different situations.

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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 the variables with specific numbers.

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What is the expression for 'a number divided by 9'?

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How do you represent 'the total number of candies divided among friends'?

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What is the expression for '4 times a number'?

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It represents that 18 batteries are divided equally among u toys, and each toy gets 9 batteries.

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How do you express 'the sum of x and y minus 9'?

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What is the expression for 'the total number of students divided into groups of 4'?

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