Education Technology

Reflecting Objects

Published on 06/09/2008

Activity Overview

In this activity, students use the Geoboard App to draw and make a reflection of a scalene triangle.

Before the Activity

  • Install the Geoboard App application on the calculator using the TI Connect™ , TI Connectivity Cable, and Unit-to-Unit Link Cable

  • Set up the calculator as explained in the appendix
  • See the attached PDF file for detailed instructions for this activity
  • Print the pages from the attached PDF file for the class
  • During the Activity

    Distribute the pages to the class.

    Follow the Activity procedures:

  • Use the Geoboard app, select a 6 x 6 board, and draw a scalene triangle
  • Use the transformation feature and mark the horizontal or vertical line that can be used as a line of reflection
  • Reflect the triangle across the line and view the image
  • After the Activity

    Review student results:

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