Designed by the acclaimed mathematician, professor and author Dr. Albert B Bennett, Jr. Children learn problem solving and the language of math while exploring algebraic concepts. Variables, perimeters, consecutive numbers and equation solving are just a few of the activities included in this complete algebra learning system. Included are reproducible worksheets and more! Extensive 24 page communicating guide included. Shipped to your location direct from the manufacturer. Rush shipping is not available. Information on how to place your order by fax or by telephone. Product Numbers AM1235 (Grades 4-7) and AM1236 (Grades 6-9)