Education Technology

REAL LIFE REAL WORLD Activity - Forestry

Published on 06/09/2008

Activity Overview

Forest industry professionals make measurements in their work using tools including the Clinometer and the Biltmore Stick. These tools are based on the concepts of similar triangles and trigonometric ratios in a right triangle. This activity uses Cabri Jr. Geometry software to model and solve forestry problems.

Before the Activity

If needed, introduce the features and tools of Cabri Jr. with the file "Getting Started with Cabri Jr."

During the Activity

The Teacher pages of the file give Answer Keys and a "Discuss with Students" section reviewing scale drawings and proportions.
The Student pages of the file include the Technology Activity, Extensions, and Resources.

After the Activity

Review student answers:

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