Education Technology

Estimating with Rational Numbers

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