Education Technology

STAAR / EOC: Exploring the Area of Triangles with Cabri Jr.

Activity Overview

This activity will help students develop a more complete understanding of the formula used to find the area of triangles by exploring which changes in measurement result in a change in area.  The activity will help students solidify their understanding of the relationship of a base and height or altitude of a triangle.

Before the Activity

See the attached activity PDF file(s) for detailed instructions for this activity.

During the Activity

Teacher will monitor the students’ construction.

After the Activity

Teacher will lead whole-group discussion to guide students in development of vocabulary used in assessment questions.