Education Technology

REAL LIFE REAL WORLD Activity - Carpentry

Activity Overview

Carpenters use applications of geometry in their work, including the properties of right triangles and circles. This activity uses Cabri Jr. Geometry software to make measurements and solve problems based on carpentry situations.

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