ISBN 0866519963 books & textbook
Picturing Polygons: 2-D Geometry (Investigations in Number, Data, and Space, Grades 5-6) (MacIntosh Disk Included)
Clements, Doug;Tierney, Cornelia;Murray, Megan;Akers, Joan;Sarama, Julie
Dale Seymour Publications /1996T Hardcover / 206 Pages
isbn-10: 0866519963 / isbn-13: 9780866519960
