PPGT Written by the best selling author of Discovering Geometry, Patty Paper Geometry contains 12 chapters of open and guided investigations. Open investigations encourage students to explore their own methods of discovery and guided investigations provide more direction to students. Constructions are performed more accurately and geometric discoveries are made faster with patty paper. At the end of their investigations, students have discovered most of the properties of geometric figures studied in high school geometry courses. Use Patty Paper Geometry as a supplement to your geometry program or even as a major course of study. Author: Michael Serra, Pages: 262, paperback, Publisher: Playing It Smart, ISBN: 978-1559530729 METRY PPGS Written by the best selling author of Discovering Geometry, Patty Paper Geometry Student is the workbook to Patty Paper Geometry. At the end of their investigations, students have discovered most of the properties of geometric figures studied in high school geometry courses. Use Patty Paper Geometry as a supplement to your geometry program or even as a major course of study. Author: Michael Serra, Pages: 82, paperback, Publisher: Playing It Smart, ISBN: 978-1559530743 What's Wrong with This Picture Students love catching mistakes, especially in the classroom. In What's Wrong with This Picture, students are told in advance that at least one of the problems on each page is wrong. Watch students search for errors and in the process, learn critical thinking skills. There are 50 student activities, each with three to four geometry problems. The problems are usually visual but there are also word problems and proofs. Author: Michael Serra, Pages: 60, paperback, Publisher: Playing It Smart, ISBN: 978-1559535847