Education Technology

New York State Standard G.G.49 - Exploring the lengths of chords and their distance from the center o

Published on 03/14/2009

Activity Overview

The students will use the Cabri Jr. APPVAR CHORDS2 to discover the relationship between the length of a chord and its distance from the center of a circle.

Before the Activity

  1. Download the Cabri Jr. APPVAR CHORDS2 to handhelds using TI-Connect software and unit to unit link cables. CHORDS2 may also be sent via TI-Navigator.
  2. Students should do the worksheet "Selecting and dragging an object using Cabri Jr."

During the Activity

This activity is a lesson launcher for understanding the relationship between the length of a chord and its distance from the center of a circle.

  1. Distribute the Student Worksheet for Chords and distance from center.
  2. Students use the Cabri Jr. APPVAR CHORDS2 to answer questions from student worksheet.

After the Activity

Review student results from worksheet.