Writing, Evaluating, and Finding Equivalent Expressions with Rational Numbers

Groups write and evaluate expressions for various phone plans and scenarios to find which is the best deal. they then compare different approaches to writing expressions for the same scenario and discuss the concept of equivalent expressions. 

16 Views 15 Downloads
CCSS: Designed
Instructional Ideas

  • Review the order of operations in evaluating numerical expressions
  • Lead a discussion on why only one value cannot be used to determine whether two expressions are equivalent
Classroom Considerations

  • The class should be able to operate with rational numbers
  • The 19th installment of a 25-part unit
Pros

  • Answers show different paths to arrive at the solution
  • The class handout contains the lesson summary
Cons

  • None
Common Core