Education Technology

New York State Standard G.G.30 - Exploring the sum of the angles of a triangle.

Published on 03/13/2009

Activity Overview

The students will use Cabri Jr. and the APPVAR ASUM2 to manipulate a triangle and discover the sum of the angles of a triangle.

Before the Activity

  1. Install Cabri Jr. on all student handhelds
  2. Download the application variable ASUM2 handhelds using TI-Connect and then unit to unit link cables.
  3. Students should do the worksheet "Selecting and dragging an object using Cabri Jr."

During the Activity

This activity is a lesson launcher on sum of the angles of a triangle.

  1. Distribute Student Worksheet for sum of the angles of a triangle.
  2. Students use ASUM2 APPVAR to answer questions from worksheet

After the Activity

Review student results from worksheet.