Writing, Evaluating, and Finding Equivalent Expressions with Rational Numbers 2

The 20th segment in a series of 25 has learners work with percentage problems to generate equivalent expressions. Pupils find discounted prices using numerical and algebraic expressions. The task moves on to have individuals find the total price including taxes.

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CCSS: Designed
Instructional Ideas

  • Conduct a short review on creating equivalent algebraic expressions
  • The lesson can be used to foreshadow instruction on 7.EE.A.2
Classroom Considerations

  • Class members should know how to determine percentages
  • Pupils should realize where to round when dealing with monetary amounts
Pros

  • Uses numerical expressions as a precursor to algebraic expressions
  • Shows the complete set of steps to arrive at a final solution
Cons

  • None
Common Core