The vocabulary and concepts included are patterns, rules, symbols, signs, number expressions, number sentences, variables, open number sentences, equations, inequalities, input-output tables, unit pricing, and map interpretation.The 47 PowerPoint slides are a combination of teaching (lecture style) and interactive slides (fill-ins, multiple choice, matching, unscramble the words, etc.).Also included is a Directions Page for using PowerPoint and for using the PEN OPTION of PowerPoint.The preview