This zip file contains a lesson on creating PIE GRAPHS ; the file contains all the materials necessary to teach the lesson, including a 9 slide Smartboard Promethean lesson and a 3 page worksheet for the students that coincide with the Promethean lesson. This Promethean lesson is part of the USING PERCENTS unit.
The math involved is basic and was geared toward a special education class. However this lesson would be still useful to elementary or middle school level general education classes.