Education Technology

Smart Shoppers

Published on 10/17/2008

Activity Overview

Students will compare ratios with different denominators, and then with common denominators. They will also find unit rates.

Before the Activity

  • See the attached PDF file for detailed instructions for this activity
  • During the Activity

    Students will:

  • Compute fluently and make reasonable estimates
  • Develop, analyze, and explain methods for solving problems involving proportions, such as scaling and finding equivalent ratios
  • After the Activity

  • Review student answers
  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary