Surveyors describe land parcels with distance and angle measurements, often given as compass headings. Once the boundaries of the land parcel are described, the surveyor can calculate the area of the land. This activity uses Cabri Jr. Geometry software to create a diagram for a sample parcel of land and find its area.
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