Education Technology


Published on 12/04/2004

Activity Overview

Students inflate a balloon and observe the relationship between the rate its volume is changing and the rate points on its surface are getting closer to each other. They use the their calculator to determine the exact rate of change.

Before the Activity

Students should have access to TI-89/TI-89 Titanium and TI-92 Plus/Voyage.

During the Activity

The document below is the activity guide. Provide each student with a printed copy of this document.

After the Activity

Review student results and, as a class, discuss questions that appeared to be more challenging. Re-teach concepts as necessary.