Students find the approximate surface area and volume of an apple, measuring circumference 3 ways, using the mean of the measurements to find the radius. Each students enters the results in a Table on the board.
Before the Activity
Students should have access to TI-83 Plus or TI-84 Plus.
During the Activity
Directions for the activity and calculations (use cm scale) are listed on the board so it may be used as a warmup following the formal lessons.
After the Activity
Review student results and, as a class, discuss questions that appeared to be more challenging. Re-teach concepts as necessary.