Miquon Math Purple Book is the sixth book in the Miquon Math series. The series is designed to be used with Cuisenaire Rods and uses a hands on approach. The purple book is designed for younger children but can be used by older children as well. Each page is an activity. Answer key not included. Author: Lore RasmussenGrade: 3Format: PaperbackPublisher: Key Curriculum PressISBN: 0-913684-55-4