Education Technology

STAAR / EOC: Similar Figures and Proportions Using Cabri Jr.

Published on 07/09/2013

Activity Overview

The student is expected to generalize the critical attributes of similarity, including ratios within and between similar shapes.

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 similar figures and the proportions of their corresponding sides.

After the Activity

Review student answers:

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