Lay a solid foundation of algebra proficiency with this BIG collection of ready-to-use materials. A unique 3-step approach helps students master concepts and skills, one activity at a time. Physical models teach 'patterns.' Pictorial models---diagrams and tables---develop and test retention. Puzzles, problems, and graphic calculator and computer assignments encourage exploration and application. Grades 7 to 12. 640 reproducible pages, softcover from Wiley & Sons.