TY - BOOK AU - Chanan,Steven TI - 101 project ideas for the Geometer's Sketchpad SN - 1559534621 AV - QA462.2.C65 A15 2001 U1 - 516 PY - 2001/// CY - Emeryville, CA PB - Key Curriculum Press KW - Geometry N1 - Cover title; Includes bibliographical references ER -