The Codex of Business Writing Software for Real-World Solutions 2.pptx
TAO DAYS - GeoGebra and TAO 2.0 by Yves Kreis
1. GeoGebra(Mobile)
and TAO 2.0
unleashing the power of assessment
in dynamic mathematics
Dr. Yves Kreis
University of Luxembourg
yves@geogebra.org
Raynald Jadoul
CRP Henri Tudor
raynald.jadoul@tudor.lu
2. GeoGebra(Mobile) and TAO 2.0
Overview
GeoGebra(Mobile)
History
Community
Teaching
Current and Future
Projects
GeoGebra and TAO
6. GeoGebra(Mobile) and TAO 2.0
GeoGebra = 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. GeoGebra(Mobile) and TAO 2.0
Dynamic Worksheets
January 2004
Version 2.1
Interactive
web pages
9. GeoGebra(Mobile) and TAO 2.0
Visitors 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. GeoGebra(Mobile) and TAO 2.0
GeoGebra in Numbers
14 Developers
50 Institutes
56 Languages
171 Translators
18.500 Online
Learning Objects
Millions of Users in 196 Countries/Territories
12. GeoGebra(Mobile) and TAO 2.0
Teaching with GeoGebra
Presentation Tool
Teacher centered
Tool for Mathematical
Experiments
Student centered
Authoring Tool
Static images
Dynamic worksheets
13. GeoGebra(Mobile) and TAO 2.0
Technology can Enhance Learning
Visualising
students can “see” abstract concepts
Representations
students can make connections
Experiments
students can discover mathematics
19. GeoGebra(Mobile) and TAO 2.0
GeoGebra 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. GeoGebra(Mobile) and TAO 2.0
GeoGebra 5.0.0.0
Release Date: ???
Andre Eriksson, Sweden & Mathieu Blossier, France
21. GeoGebra(Mobile) and TAO 2.0
GeoGebraMobile
GeoGebra Applets
should work on
mobile (multitouch)
devices like
iPhone, iPad,
Android ...
Gabor Ancin, Hungary & Zoltan Kovacs, Hungary
23. GeoGebra(Mobile) and TAO 2.0
The 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. GeoGebra(Mobile) and TAO 2.0
Pre-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. GeoGebra(Mobile) and TAO 2.0
Collected 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. GeoGebra(Mobile) and TAO 2.0
Thank you!
Slides of this talk
http://www.geogebra.org/talks
Dr. Yves Kreis
yves.kreis@uni.lu
Raynald Jadoul
raynald.jadoul@tudor.lu