Education Technology

Simple Constructions

Activity Overview

In this skill activity, students will use the Constructions Tools Menu in Cabri™ Jr. to contruct a parallelogram. They will also construct an altitude, an angle bisector and a median of a triangle.

Before the Activity

  • Install the Cabri Jr. App on the students' graphing calculators using TI Connect™, a TI Connectivity cable and the unit-to-unit link cables
  • See the attached PDF file for detailed instructions for this activity
  • Print pages 1 - 14 from the attached PDF file for your class
  • During the Activity

    Distribute the pages to your class.

    Follow the Activity procedures:

  • Construct a parallelogram
  • Create a triangle and label its vertices
  • Construct the altitude segment, the angle bisector, and the median for the triangle
  • After the Activity

    Students will fill in the Data Collection and Analysis sheet.

    Review student results:

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