00747nam a2200229Ia 4500 CTU_29171 210402s9999 xx 000 0 und d 35 372.7 A618m Baker, Lyndon Mathematics with Polydron TM : Explore, create, understand Lyndon Baker, Bob Ansell, Ian Harris Northampton Polydron International 1994 Classroom resource book to help students investigate shape and space, and also explore algebra and the properties of numbers Mathematics Study and teaching (Elementary) Minh Trung tâm Học liệu Trường Đại học Cần Thơ