Parallel Sessions Tuesday, 18 July 2017

Secondary Geometry - 9:45 to 11:45 - Room S3 - 1
[table][tr][td]09:45 - 10:05[/td][td]Tim Brzezinski (USA)[br][url=]Using GeoGebra to Discover, Remediate, Differentiate, and Assess (& Why I Created all I Did)[/url][/td][/tr][tr][td]10:10 - 10:30[/td][td]Gerrit Stols (South Africa)[br]Transformation of images using a matrix[/td][/tr][tr][td]10:35 - 10:55[/td][td]Javier Antonio Ríos Rivera & Anuar de Jesùs Oyola Charry (Colombia)[br]The comprehension of the trigonometrical reasons by means of the software GeoGebra in the context of the model of Van Hiele[/td][/tr][tr][td]11:00 - 11:20[/td][td]Bruno Leite Ferreira (Brazil)[br][url=]Conic Sections' study using GeoGebra applet[/url][/td][/tr][tr][td]11:25 - 11:45[/td][td]Irma Zulema Martínez (Argentina)[br]Transformations in the plane[/td][/tr][/table]
Teacher Education - 9:45 to 11:45 - Room S2 - 3
[table][tr][td]09:45 - 10:05[/td][td]Houssam ElKasti (Lebanon)[br][url=]Collaborative and Iterative GeoGebra PD and its effect on inservice secondary mathematics teachers' practices and TPACK[/url][/td][/tr][tr][td]10:10 - 10:30[/td][td]Judith Hohenwarter (Austria)[br][url=]GeoGebra Online Course "Teaching Math with GeoGebra"[/url][/td][/tr][tr][td]10:35 - 10:55[/td][td]Agida Manizade & Darryl Corey (USA)[br][url=]GeoGebra as a Partner and Extension of the Instructor: Graduate-level Coursework for Mathematics Teachers[/url][/td][/tr][tr][td]11:00 - 11:20[/td][td]Simon Clay (UK)[br][url=]Teachers' Professional Development with MEI[/url][/td][/tr][/table]
Calculus - 9:45 to 11:20 - Room S2 - 2
[table][tr][td]09:45 - 10:05[/td][td]Laura Del Río (Argentina)[br][url=]Visualization of limits of functions of two variables[/url][/td][/tr][tr][td]10:10 - 10:30[/td][td]Hans-Jürgen Elschenbroich (Germany)[br][url=]A visual approach to basic concepts of integration[/url][/td][/tr][tr][td]10:35 - 10:55[/td][td]Steve Phelps (USA)[br][url=]Next = (Now + 1) / Last[/url][/td][/tr][tr][td]11:00 - 11:20[/td][td]Andreas Lindner (Austria)[br][url=]Learning Advanced Analysis with GeoGebra[/url][/td][/tr][/table]
ACA Conference - 9:30 to 11:30 - Room S2 - 5
Live Video Streaming to the Conference on Applications of Computer Algebra in Israel [url=][/url][br][br][table][tr][td]09:30 - 09:50[/td][td]Thierry Dana-Picard (Israel)[br][url=]Automated study of a curve and its associated curves: the case of an astroid[/url][/td][/tr][tr][td]09:50 - 10:10[br][/td][td]Jiri Blazek & Pavel Pech (Czech Republic)[br][url=]Investigation of geometric loci using DGS and CAS[/url][br][/td][/tr][tr][td]10:10 - 10:30[/td][td]Roman Hasek (Czech Republic)[br][url=]Automated theorem proving in school mathematics[/url][/td][/tr][tr][td]10:30 - 10:50[/td][td]Rob M. Corless (Canada)[br]Computer-mediated thinking[/td][/tr][tr][td]10:50 - 11:10[br][/td][td]Zoltan Kovacs (Austria)[br][url=]Achievements and challenges in automatic locus and envelope animations in dynamic geometry environments[/url][br][/td][/tr][tr][td]11:10 - 11:30[/td][td]Tomas Recio (Spain)[br][url=]Automated Reasoning Tools in GeoGebra[/url][/td][/tr][/table]
Modeling - 14:00 to 16:00 - Room S2 - 3
[table][tr][td]14:00 - 14:20[/td][td]Cecilia Zulema González & Marta Fabiana Pauletich (Argentina)[br][url=]Adjusting parameters on a mathematical model using GeoGebra[/url][br][/td][/tr][tr][td]14:25 - 14:45[/td][td]Chris Cambre (Belgium)[br][url=]Euler and the bridges of Königsberg[/url][br][/td][/tr][tr][td]14:50 - 15:10[/td][td]Irina Boyadzhiev (USA)[br][url=]GeoGebra – an environment for diverse applications and explorations[/url][br][/td][/tr][tr][td]15:15 - 15:35[/td][td]Matěj Adámek (UK)[br]Geogebra and Economics[br][/td][/tr][tr][td]15:40 - 16:00[/td][td]Mariana Gabriela Torres (Argentina)[br]Dynamizing a solution of revolution with GeoGebra[br][/td][/tr][/table]
Secondary Geometry - 14:00 to 16:00 - Room S2 - 2
[table][tr][td]14:00 - 14:20[/td][td]Steve Phelps (USA)[br][url=]What-If-Not Conic Constructions[/url][br][/td][/tr][tr][td]14:25 - 14:45[/td][td]Anthony Or (Hong Kong)[br][url=]Volumes of Pyramids and Spheres in Ancient Chinese Mathematics[/url][br][/td][/tr][tr][td]14:50 - 15:10[/td][td]Petra Surynkova (Czech Republic)[br][url=]Kinematic Geometry: Constructions of Planar Curves[/url][br][/td][/tr][tr][td]15:15 - 15:35[/td][td]Amarzaya Amartuvshin (Mongolia) [br][url=]Construction of conic sections[/url][br][/td][/tr][tr][td]15:40 - 16:00[/td][td]Bed Prasad Dhakal (Nepal)[br][url=]Tangent has two point contact with the curve[/url][br][/td][/tr][/table]
STEM - 14:00 to 15:35 - Room S3 - 1
[table][tr][td]14:00 - 14:20[/td][td]Mónica Ester Manceñido (Argentina)[br][url=]Using GeoGebra to aid in making a pre-telescopic astronomical device: gnomon shadow markings[/url][br][/td][/tr][tr][td]14:25 - 14:45[/td][td]Horst-Armin Kosog (Germany)[br][url=]Daylength and Seasons[/url][br][/td][/tr][tr][td]14:50 - 15:10[/td][td]Hans-Jürgen Elschenbroich (Germany)[br][url=]Modelling the growth of a crystal[/url][br][/td][/tr][tr][td]15:15 - 15:35[/td][td]Diego Lieban (Brazil)[br][url=]Geometric Modelling in a Teacher Training Program[/url][br][/td][/tr][/table]
Making Math Visible - 15:30- 17:00 - Room S2 - 4
[table][tr][td]15:30- 17:00[/td][td]George Hart[br]Workshop Making Math Visible[/td][/tr][/table]
Topic Discussion Groups - 16:30 to 17:00
[table][tr][td][color=#674ea7]Developers Questions & Answers[/color][br][/td][td]Room S2 - 2[br][/td][/tr][tr][td][color=#674ea7]Professional Development & Teacher Education[/color][/td][td]Room S2 - 3 [br][/td][/tr][tr][td][color=#674ea7]New website structure: material categories & community groups[/color][br][/td][td]Room S3 - 1[br][/td][/tr][/table]

Information: Parallel Sessions Tuesday, 18 July 2017