Education Technology

Estimating with Rational Numbers

Published on 10/17/2008

Activity Overview

Students will round fractions and mixed numbers, and then use their rounding skills to estimate sums, differences, products, and quotients.

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 and use strategies to estimate the results of rational-number computations and judge the reasonableness of the results
  • After the Activity

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