Elementary Algebra Review Part 3

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Taught by YourMathGal
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Lesson Description:

Evaluating variable expressions by plugging in values, writing phrases as a variable expression, equation, or inequality

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • How do you evaluate variable expressions with given values of variables?
  • How do you evaluate (x + y)^3 when x = 2 and y = 3?
  • How do you evaluate x^3 + y^3 when x = 2 and y = 3?
  • Why does (x + y)^3 not equal x^3 + y^3?
  • How do you write phrases as algebraic expressions or inequalities?
  • Five times a number decreased by four is what variable expression?
  • The quotient of a number and 5 is what variable expression?
  • Five subtracted from twice a number is what variable expression?
  • How do you translate sentences into equations or inequalities?
  • Five times a number decreased by four is six makes what algebraic equation?
  • The sum of a number and two is greater than seven makes what algebraic inequality?
  • The difference of a number and five is thirteen makes what algebraic equation?
  • Staff Review

    • Currently 4.0/5 Stars.
    More problems evaluating variable expressions are explained in this lesson. A concept that can be very difficult for students - translating from words to variable expressions, equations, and inequalities - is also discussed. This is a great tutorial for learning to translate a sentence into variables and numbers.