Education Technology

Direct, Inverse, and Joint Variation

Activity Overview

This set of questions pertains to direct, inverse, and joint variation. Students are asked to recognize equations of each type and to solve applications problems. Solutions and explanations are included.

Before the Activity

Download the attached LearningCheck™ file to students' calculators. If you are using the TI-Navigator System with the TI-73 you will need the attached .pdf file.

During the Activity

This LearningCheck™ appvar can be sent to your class using TI-Navigator.

After the Activity

Review student results:

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