GeoGebra - u-szeged.hu · 2011-04-30 · International GeoGebra Institute Conferences 2011-Events...

GeoGebraDynamic Mathematics for Everyone

Zsolt LaviczaUniversity of Cambridge

http://www.geogebra.org/IGI


International GeoGebra Institute

Overview Short History

Community

Research

Future


History of GeoGebra2001 - 2010


GeoGebra = Geometry Algebra+

Geometry & Graphics Window

Algebra Window


Open Source > Free

Free software is a matter of liberty, not price.

To understand the concept, you should think of free as in free speech, not as in free beer. (Free Software Foundation)


2001-2006: Development Mar 2002: Master’s thesis in Computer Science

& Mathematics Education Nov 2002: European Academic Software Award Mai 2005: User Forum & GeoGebraWiki Feb 2006: PhD project in Mathematics

Education funded by Austrian Academy of Sciences

December 2007: International GeoGebra Institute


http://www.techawards.org/laureates/stories/index.php?id=220


Examples of Using GeoGebra Visualizing

students can “see” abstract concepts

Representationsstudents can make connections

Experimentsstudents can discover mathematics


Age 6-10: Adding Integers


Age 11-14: Multiplying Fractions


Age 15-16: Geometry & Algebra


Age 17-18: Visualizing Parameters


Age 17 up: Functions & Calculus


Theo Jansen’s Beach Beast


Mathematical Spreadsheet

Cobweb diagram

GeoGebra

Fake-3D with GeoGebra 3.2

http://www.youtube.com/watch?v=ZBo4lI2I53I


GeoGebra‘sCommunity

If you want to go fast, go alone.

If you want to go far, go together.

Warren Buffett


World Wide User Community

750,000 unique visitors/month

300,000 downloads /month

3.8 million downloads in 2010

On 5.5 million classroom laptops

56 Languages 190 Countries 60 Institutes (38 in Europe) GG in textbooks in 30

Countries 10 Developers 200 Translators 15.000 Online

Learning Objects


Visitors on www.geogebra.org

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GeoGebraWiki – Shared examples


GeoGebraForum – Questions/help


Status Quo What’s there?Free software and materialExtensive user community Immense expertise developed by enthusiasts

What’s missing?Not enough trainingNot enough support for teachers new to

technologyLimited research on the impact of GeoGebra


InternationalGeoGebra Institute


Core Aims of IGI Teacher training and supportOffer workshops & support

Material and software developmentShare free materials

ResearchEncourage and coordinate

collaborative research


60 Current GeoGebra Institutes more coming soon …

http://www.geogebra.org/community

http://www.geogebra.org/community


GeoGebra Events

www.geogebra.org/events

Individual Workshops GeoGebra Conferences (1 in 2009; 12 in 2010; 25 in 2011)

http://www.geogebra.org/events


Website: www.geogebra.org/IGI



Future: Partner schools Involve more teachers in the community Schools experimenting with the use of

GeoGebra Encourage collaboration among schools

and teachers Be able to offer more support Sponsors can donate to schools


GeoGebra Research


Research Important part in the aims IGI Evidence for improvementSoftware developmentTrainingTeaching and learningUser community

Theoretical basis


Research priorities Several current research projects with GeoGebraTeacher research (PD, teaching practices)Research on existing materials (WIKI, workshops)Software development/improvementCommunity research (WIKI, forum, local groups)Student research (understanding, learning,

reasoning, proof)Open-source research (availability, accessibility)Other? Research Committee


Collaboration and activities Share experiences/results with colleagues

and at meetings/conferences Engage research studentsBachelor, masters, PhD thesisResearch assistantsFellowships

Write up and publish work/results (practitioner/ research journals)

Reach out to developing countries and disadvantaged communities


Research support Experienced colleagues canHelp with research design and analysisWriting funding applications and publicationsOrganise research methods workshops

IGI aims to offer research supportAdministrativeWorkshopsConsultationsPossible funding


GeoGebra‘sFuture


Summer of CodeGrant for GeoGebra to support 5 open source

student coding projects in the summer of 2010We will have 7 students in 2011

Philipp Birklbauer, Austria: Implicit Curves Sergio Rodriguez, Spain: Locus line equation Anjneya Varshney, India: GeoGebraTouch Andre Eriksson, Sweden: GeoGebra3D Florian Sonner, Germany: LayoutManager

http://geogebra.uni.lu/trac/wiki/Implicit

http://geogebra.uni.lu/trac/wiki/LocusLineEquation

http://geogebra.uni.lu/trac/wiki/GeoGebraTouch

http://geogebra.uni.lu/trac/wiki/GeoGebra3D

http://geogebra.uni.lu/trac/wiki/LayoutManager


Implicit Curves: f(x,y) = 0

Philipp Birklbauer, Austria


Locus Line Equation

Sergio Rodriguez & Miguel Abanades, Spain


GeoGebraTouch

Michael Borcherds, UK & Yves Kreis, Luxembourg


GeoGebra3D

Andre Eriksson, Sweden & Mathieu Blossier, France


GeoGebraSpreadsheet

George Sturr, California


GeoGebraCAS

Full integration of a symbolic view in GeoGebra Dynamic updates of dependencies Easy to use starting from age 13 Markus Hohenwarter, Austria


GeoGebraTube

Material Platform Direct upload from

GeoGebra Rating Comments

Florian Sonner, Germany


Randomised Exercises

Parabolas

Vectors


Additional Perspectives


GeoGebraMobile

GeoGebra Applets should work on Smartphones

iPhone, iPad, Android

Gabor Ancsin & Zoltan Kovacs, Szeged, Hungary

http://ggb.math.u-szeged.hu/ggb/ggjsviewer/


One Laptop per Child Project

Tata Institute for Fundamental Research, Mumbai, India


Phoenix: Computer Integrated Science Environments


Argentina 3million netbooks


GeoGebraPrim GeoGebra for Primary schools


Lego Mindstorms Robot project


Game consols


GeoGebra and assessment systems

WeBWorK, US

STACK, UK

TAO, Luxembourg


Textbooks


On-line schools websites


On-line learning – Interactive boards


Facebook: http://facebook.com/geogebra


Youtube:http://www.youtube.com/geogebrachannel


International GeoGebra Conference

Hagenberg near LinzAustria

29 - 31 August 2011 Release of GeoGebra 4GeoGebraCASGeoGebraTubeGeoGebraMobile


Conferences 2011-Events calendar January

GeoGebra South-East Europe, Novi Sad, Serbia February

Barcelona GeoGebra conference, Barcelona,Spain May

GeoGebra Middle East, Teheran, Iran Norma-11 Iceland, GeoGebra dayGeoGebra Eastern Europe, Miskolc, Hungary GeoGebra, Andalucia, SpainGeoGebra Institute opening conference, Bari, Italy

July GeoGebra US Midwest, Oxford, OhioGeoGebra North America, Toronto, Canada PME GeoGebra WG, Ankara, Turkey

International GeoGebra InstituteConferences 2011 August

IGI Annual conference, Linz, Austria September

GeoGebra Italy conference, Torino, Italy Second Polish GeoGebra conference, Warsaw, Poland Nordic GeoGebra Network conference, Lithuania

OctoberGeoGebra Ukraine, Kharkiv, Ukraine

November GeoGebra South America, Sao Paolo, BrazilGeoGebra day, Penang, MalaysiaGeoGebra Hungary, Budapest, Hungary

Further conference will be announced

GeoGebra

THANK YOU!

QUESTIONS?

http://geogebra.org

http://geogebra.org

http://geogebra.org

GeoGebra - u-szeged.hu · 2011-04-30 · International GeoGebra Institute Conferences 2011-Events...

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