Students will investigate the decrease in items as a percent change while considering several methods for calculating percent change. They will also develop a procedure that can be repeated to solve problems.
Before the Activity
Download the attached PDF and read through the activity. You may wish to distribute hardcopies of the PDF for student use.
During the Activity
Discuss the material from the activity pages as needed.
After the Activity
Encourage students to summarize what they have learned from completing the activity.