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Variables and Expressions

By Mr. Chancellor. Variables and Expressions. A variable is used to represent an unknown number or value. An algebraic expression combines numbers and variables with arithmetic operations. Variables and Expressions. Sum Plus More than Add In all Increase by total.

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Variables and Expressions

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  1. By Mr. Chancellor Variables and Expressions

  2. A variable is used to represent an unknown number or value. An algebraic expression combines numbers and variables with arithmetic operations. Variables and Expressions

  3. Sum Plus More than Add In all Increase by total Variables and Expressions +

  4. Difference Less than Subtract Minus Decrease by Variables and Expressions -

  5. Times multiply Each Product Of X Variables and Expressions • Quotient • Divided

  6. Write a variable expression for each: • 17 more than y • The quotient of 45 and N Variables and Expressions

  7. Evaluate if X = 7 and X=2 3X + Y X – Y 2 Variables and Expressions

  8. Write an algebraic expression for: “Eight less than the sum of the numbers m and n” Variables and Expressions

  9. Tips!!! Use parenthesis or raised “ .” for multiplying not “ X .“ Don’t forget the Order of Operations (PEMDAS) Variables and Expressions

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