Education Technology

Sum of Interior Angles in a Triangle with Cabri Jr.

Published on 09/16/2005

Activity Overview

Students will discover the sum of the interior angles in a triangle using the Cabri Jr.™ Application.

Before the Activity

All student calculators must have the Cabri Jr. application loaded in order to complete this activity.

During the Activity

Students should open the Cabri Jr. Application on their calculator.
They should then follow the directions on the attached document. This document will lead both you and the students through the activity.

After the Activity

Review student results:

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