The vocabulary and concepts included are sets, data, survey, tally, charts, diagrams, graphs, key, mean, probability, combinations, and tree diagrams.The 49 PowerPoint slides are a combination of teaching (lecture style) and interactive slides (matching, fill-in, multiple choice, etc).Also included is a Directions Page for using PowerPoint and for using the PEN OPTION of PowerPoint.The Preview File is pages 1-11 of the Slide Show so that you can "Try before you Buy".~~~~~~~~~~~~~~~~~~~~~~~~~~~~~