Education Technology

STAAR / EOC: Dilations in the Coordinate Plane Using Cabri Jr.

Published on 07/09/2013

Activity Overview

Students will use the dynamic geometry tool of Cabri Jr. to see the relationships between ratios of distances and dilations.

Before the Activity

See the attached activity PDF file(s) for detailed instructions for this activity.

During the Activity

Follow the procedures outlined in the Teachers Notes. Students will:

  • Be able to make conclusions about relationships between ratios of distances and dilations on the coordinate plane.

After the Activity

Review student answers:

  • As a class, discuss questions that arise during the activity
  • Re-teach concepts as necessary