Section 1: Mathematical, Epistemological, and Curricular Perspectives.- Thinking About The Teaching Of Geometry Through The Lens Of Geometrical Work And Geometrical Paradigms
Alain Kuzniak
Epistemological Features Of A Constructional Approach To Regular 4-Polytopes
Stephan Berendonk and Marc Sauerwein
Geometry Opportunites For Reasoning And Proof In Secondary School Textbooks In Trinidad And Tobago
Andrew A. Hunte
Enacting Functions From Geometry To Algebra
Scott Steketee and Daniel Scher
Section 2: Studies of Geometry Instruction and Teacher Knowledge
Examining The Work Of Teaching Geometry As A Subject-Specific Phenomenon
Patricio Herbst, Nicolas Boileau, and Umut Gürsel
Creating Profiles Of Geometry Teachers' Pedagogical Content Knowledge
Agida G. Manizade and Dragana Martinovic
Symbiosis Between Subject Matter And Pedagogical Knowledge In Geometry
Mohan Chinnappan, Bruce White, and Sven Trenholm
Designing Instruction Towards Mathematical Literacy In Geometry: A Case Study
Ui Hock Cheah
Minding the Gap: A Comparison Between Pre-Service and Practicing High School Geometry Teachers' Geometry Teaching Knowledge
Shawnda Smith
Some Notes On Teaching Geometry In Secondary School: A Teacher Training Experience
Alejandra Almirón, Susana Ammann, Fernando Bifano, Rosa Ferragina, Gema Fioriti, Leonardo Lupinacci, and José Villella.
Section 3: Studies of Geometry Thinking and Learning
Exploring Models Of Secondary Geometry Achievement
Sharon L. Senk, Denisse R. Thompson, Yi-Hsin Chen, and Kevin J. Voogt
Connectedness Of Problems And Blockage Resolution In The Solving Process: A Major Educational Challenge
Josep Fortuny, Michel Gagnon, and Philippe Richard
The Use Of Writing As A Metacognitive Tool In Geometry Learning
Luz Graciela Orozco Vaca
Development Of Spatial Ability Results From The Research Project Geodikon
Guenter Maresch
Middle School Students' Use Of Property Knowledge And Spatial Visualization In Reasoning About 2D Rotations
Michael T. Battista and Leah M. Frazee
Aspects of Spatial Thinking In Problem Solving: Focusing On Viewpoints In Constructing Internal RepresentationMitsue Arai
Engaging Students with Non-Routine Geometry Proof Tasks
Michelle Cirillo
Playing With Geometry: An Educational Inquiry Game Activity
Yael Luz and Carlotta Soldano
Differences In Self-Reported Instructional Strategies Using A Dynamic Geometry Approach That Impact Students' Conjecturing
Brittany Webre, Shawnda Smith, and Gilbert Cuevas
Conclusion
The Editors