TAO DAYS - GeoGebra and TAO 2.0 by Yves Kreis

779 views

Published on

Published in: Technology, Spiritual
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
779
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
0
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

TAO DAYS - GeoGebra and TAO 2.0 by Yves Kreis

  1. 1. GeoGebra(Mobile)and TAO 2.0unleashing the power of assessmentin dynamic mathematics Dr. Yves Kreis University of Luxembourg yves@geogebra.org Raynald Jadoul CRP Henri Tudor raynald.jadoul@tudor.lu
  2. 2. GeoGebra(Mobile) and TAO 2.0Overview  GeoGebra(Mobile)  History  Community  Teaching  Current and Future Projects  GeoGebra and TAO
  3. 3. GeoGebra(Mobile) and TAO 2.0 GeoGebra‘s History
  4. 4. GeoGebra(Mobile) and TAO 2.0Interactive Geometry Software
  5. 5. GeoGebra(Mobile) and TAO 2.0Computer Algebra Systems Derive Mathematica
  6. 6. GeoGebra(Mobile) and TAO 2.0GeoGebra = Geometry & Algebra 2001/02 Master’s Project Univ. Salzburg April 2002 Version 1.0 Tool for Analytic Geometry: points, vectors, lines, conic sections November 2002 European Academic Software Award
  7. 7. GeoGebra(Mobile) and TAO 2.0Dynamic Worksheets January 2004 Version 2.1  Interactive web pages
  8. 8. GeoGebra(Mobile) and TAO 2.0 GeoGebra‘s Community
  9. 9. GeoGebra(Mobile) and TAO 2.0Visitors on www.geogebra.org 5 Millions 4,5 4 3,5 3 2,5 2 1,5 1 0,5 0 2004 2005 2006 2007 2008 2009  Visitors: 23.500/day or 705.000/month  Downloads: 12.500/day or 375.000/month from 196 Countries & Territories
  10. 10. GeoGebra(Mobile) and TAO 2.0GeoGebra in Numbers 14 Developers 50 Institutes 56 Languages 171 Translators 18.500 Online Learning Objects Millions of Users in 196 Countries/Territories
  11. 11. GeoGebra(Mobile) and TAO 2.0 Teaching with GeoGebra
  12. 12. GeoGebra(Mobile) and TAO 2.0Teaching with GeoGebra Presentation Tool  Teacher centered Tool for Mathematical Experiments  Student centered Authoring Tool  Static images  Dynamic worksheets
  13. 13. GeoGebra(Mobile) and TAO 2.0Technology can Enhance Learning  Visualising students can “see” abstract concepts  Representations students can make connections  Experiments students can discover mathematics
  14. 14. GeoGebra(Mobile) and TAO 2.0Composition of Functions
  15. 15. GeoGebra(Mobile) and TAO 2.0Newton’s Method
  16. 16. GeoGebra(Mobile) and TAO 2.0Theo Jansen’s Beach Beast
  17. 17. GeoGebra(Mobile) and TAO 2.0Fake-3D with GeoGebra 3.2
  18. 18. GeoGebra(Mobile) and TAO 2.0 GeoGebra‘s Current & Future Projects
  19. 19. GeoGebra(Mobile) and TAO 2.0GeoGebra 4.0.0.0  Release Date: 31th August 2011  Selected Features:  2nd graphics window  CAS window  New Tools/Commands  Implicit curves and multivariate functions  Spreadsheet improvements  Scripting
  20. 20. GeoGebra(Mobile) and TAO 2.0GeoGebra 5.0.0.0  Release Date: ??? Andre Eriksson, Sweden & Mathieu Blossier, France
  21. 21. GeoGebra(Mobile) and TAO 2.0GeoGebraMobile GeoGebra Applets should work on mobile (multitouch) devices like iPhone, iPad, Android ... Gabor Ancin, Hungary & Zoltan Kovacs, Hungary
  22. 22. GeoGebra(Mobile) and TAO 2.0 GeoGebra inside TAO
  23. 23. GeoGebra(Mobile) and TAO 2.0The Project GeoGebraPrim uni.lu founded Main focus:  Usage of GeoGebra(Prim) in primary school Goals:  Improvement of the children’s understanding of the basic geometric concepts  Deeper insight in the bond of geometry and algebra
  24. 24. GeoGebra(Mobile) and TAO 2.0Pre-Test Post-Test #1 #Comp #2 Results (max. 50)  Results (max. 17) 31)  t[57]= –0,44  t[57]= 3,16 3,01  p = 0,66  p = 0,002 0,003  d = –0,12  d = 0,84 0,81
  25. 25. GeoGebra(Mobile) and TAO 2.0Collected data Snapshot of the stimulus  Usage of virtual tool  Usage of a GeoGebra tool  Usage of dynamics History with all recorded events  Generation of a movie of the actions
  26. 26. GeoGebra(Mobile) and TAO 2.0Thank you! Slides of this talk http://www.geogebra.org/talks Dr. Yves Kreis yves.kreis@uni.lu Raynald Jadoul raynald.jadoul@tudor.lu

×