This file includes a lesson on ADDING MULTIPLE SALES; the download contains a 4-slide Powerpoint lesson. The Powerpoint lesson is part of the BUYING FOOD unit and is geared towards elementary or middle school level general education classes. It incorporates basic math concepts and includes a pre-class question to assess prior knowledge. The lesson follows state standards and objectives, and aims to captivate students' attention with colorful diagrams and photos, as well as detailed information.