This zip file contains a lesson on FINDING CHANGE and BILL TOTAL; the download contains a 12 slide Smartboard Promethean lesson. This Promethean lesson is part of the BUYING FOOD 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. . Along with the lesson material, this lesson includes a slide containing a pre-class question geared toward the lesson to check