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Geogebra Applets for Math

The applets are accessed by clicking on the links (html) below which will launch the applets
either hosted at 




 
Angle Properties of Polygons (regular polygons illustrated)
 
Straight Line Graphs-LessonAid      For explaining x, y pair of values being plotted as a point (x,y), gradient and intercept. 
 


 

 
 
 
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Finding Equation of Perpendicular Bisector between Two Points
    



 
 
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OTHER NOTES :
 
GEOGEBRA RESOURCES
 
 If you wish to download the above Geogebra applets, you may go to the link at http://www.geogebra.org/en/upload/index.php?&direction=0&order=&directory=english/lewws 
  
Applets at Geogebra wiki (with further links to many other resources)
http://www.geogebra.org/en/wiki/index.php/English
 
Geogebra is open source and free software with many people contributing ideas to improve it. Many features have been added reqularly, faster than many commercial software.
Big advantage to pupils is that they can install it at home free or even go online to access applets without installing Geogebra, only needing Java in their browser. For more information to to site at http://www.geogebra.org/cms/
 
Download latest/archived versions of Geogebra at http://code.google.com/p/geogebra/downloads/list

Daniel Mentrard's Mathematics Site at http://dmentrard.free.fr/GEOGEBRA/Maths.htm

                                 Science site at  http://dmentrard.free.fr/GEOGEBRA/Sciences/accueilscie.htm

        Many many very well designed applets available (French language)

      Direct link to ggb files at  http://www.geogebra.org/en/upload/index.php?direction=&order=&directory=001FRANCAIS/DMentrard&

                              Latest Link (5 March 2015)    http://archive.geogebra.org/en/upload/index.php?&direction=0&order=&directory=001FRANCAIS/DMentrard

       Direct link to Math files at http://dmentrard.free.fr/GEOGEBRA/Maths/

       Direct link Science files at http://dmentrard.free.fr/GEOGEBRA/Sciences/Physique/

       Other files  at   http://dmentrard.free.fr/GEOGEBRA/ggbtruc/

       Direct link Science Physics Experiments http://dmentrard.free.fr/GEOGEBRA/Sciences/Excelelabo.htm

       Daniel's Geogebra Blog on animations and scripts http://dmentrard.blogspot.com/2011/11/parametes-danimations-avec-geogebra.html

Malin Christersson's excellently organized with many well designed applets organized by geometry, trigonometry, functions, statistics etc. A++  http://www.malinc.se/math/

Duane Habecker's excellent set of ggb applets on ratio, proportion, lines and angles, areas of plane figures, fractions, decimals and percent at http://206.110.20.132/~dhabecker/geogebrahtml/

        Measuring angles between lines with a "protractor" (image)  http://206.110.20.132/~dhabecker/geogebrahtml/protractor_practice/protractor_practice.html 

Irina Boyadzhiev's  well designed and categorized applets at Ohio State University Lima :  http://www.lima.ohio-state.edu/people/iboyadzhiev/MyGeogebra.htm

Phil's (LPH) wikispaces on Geogebra resources for Physics at https://lphwikispace.wikispaces.com/Applications+3D+Pour+La+Physique


GEOGEBRA TUTORIALS (ONLINE)
 
Try out learning Geogebra on your own. Click on the captions hyperlinked below.

 


                               
 
 
 
Geogebra by Example Workshop by Don Spickler, Salisbury University -  Good introductory tutorials with examples for various topics eg Geometry, Trigonometry, Algebra. 

Geogebra on You Tube  http://www.youtube.com/user/GeoGebraChannel

       Many applets shown on the You Tube - Ideas on teaching by Linda Fahlberg-Stojanovska   

GeoGebra by Steve Phelps

Geogebra on Facebook  http://www.facebook.com/geogebra

Introduction to Geogebra for learning and teaching by Peter Tierney

 
GEOGEBRA WORKSHOP HANDOUTS/ MANUALS FOR DOWNLOAD

CEMTL site with Geogebra training workbooks   -  excellent workbooks, similar to those by M Hohenwarter.
 
 
 
 
Geogebra Constructions by Judith and Markus Hohenwarter, Modified ever so slightly by Mark McClure
 
Geogebra in 10 Lessons by Gerrit Stols
 
 




GEOGEBRA CONFERENCE MATERIALS 


GEOGEBRA RESOURCES BY SPECIFIC TOPICS
 
Transormation of Functions (by Daniel Mentrard

Trigonometric Functions by AB Cron.

Good resource on basic algebra self practice

Investigating Geometry Using GeoGebra 

   by 

Barrie Barnard & Gerrit Stol, 2009

Calculus Applets using GeoGebra by Marc Renault - Excellent applets which enable pupils to visualize and connect the mathematics of change

 Examples of statistics activities with GeoGebra  by Mike May


JC Level Statistics : Linear Regression

http://www.malinc.se/math/statistics/mainen.php

http://math247.pbworks.com/w/page/20517657/Statistics%20with%20GeoGebra

http://www.youtube.com/watch?v=ecC58eB8ax0&list=UUUcUZS9DwQL7YQk4pFCKoAw&index=9&feature=plcp

Secondary Level- One variable Statistics:

http://www.geogebra.org/forum/viewtopic.php?f=2&t=24372&p=82015#p82015

http://www.malinc.se/math/geogebra/statistics_probabilityen.php

https://prep11geogebra.pbworks.com/w/page/37685988/SpreadsheetStatisticsGeoGebra40

http://www.youtube.com/watch?v=Lt5MyoTDtrs&list=UUUcUZS9DwQL7YQk4pFCKoAw&index=6&feature=plcp

INTERESTING/AMAZING GEOGEBRA APPLETS


Geogebra animations links (Geogebra UserForum discussion thread)


By Daniel Mentrard

http://www.geogebratube.org/student/m4198  ---  Worksheet with Onclick show text for image "hotspot" created using polygon tool.


Chill out with http://dmentrard.free.fr/GEOGEBRA/ggbtruc/jazz.html (click on top left little button to play the music)





Other Amazing Applets at Geogebra Wiki English

Learning polar coordinates through a radar simulation game by Daniel Mentrard (applet takes time to start)

Edward Or (Hong Kong Education Bureau) contributions on  Geogebra Tube 



GEOGEBRA in 3D 





Student Portfolios related to Geogebra


OTHER IMPORTANT GEOGEBRA DEVELOPMENTS

Geogebra Mobile - Enable applets to be run on IPad, Android devices

Geogebra Live - for online collaboration between 2 or more persons simultaneously

JOURNALS RELATED TO GEOGEBRA RESEARCH & DEVELOPMENT


Geogebra Related Conferences Worldwide



Geogebra users/sites in Singapore       (link to email list Geogebra Users Singapore)

Ms Ang,  HCI



Mr Sunny Chan, Guangyang Secondary School (Singapore), 2011



Discussions on suitability of Geogebra for teaching and learning as compared with Geometer Sketchpad/Cabri

Read particularly Geoff Roulet's balanced overview of the issues such as Euclidean Geometry approach vs calculus analytic geometry approach (current math approach in our curriculum.

Many contributors (professors in mathematics and Geogebra users)  give their opinions.

GeoGebra vs Sketchpad Comparison  

Scott Steketee of Key Curriculum Press (Developers of Geometer SketchPad (GSP), 2010. 

Geogebra Forum topic:  Why is GeoGebra successful?

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TRAINING IN USE OF GEOGEBRA (For Dunman Secondary School Colleagues)  July to December 2010
 
Consider the various scopes of learning Geogebra for yourself :
 
Level 1. Basic Knowledge (1 hour)
Familiarizing with how to access Geogebra applet resources from the internet, and the various sites providing such resources.
Operating the applet, and knowing how to do basic constructions, basic graphing of functions, measurement of lengths, angles, and gradients of lines.
Using sliders to change values of variables dynamically.
With this basic knowledge, you can explore the available applets and decide which are suiltable for your pupils to use.
 
Level 2. Learning to Customize Applets for Pupil Learning (3 hours)
Using sliders, hide/show checkboxes, animation and other features to change displays and values of variables dynamically so as to create exploratory lesson tools in functions, geometry, trigonometry and basic construction for pupil learning. Uploading applets onto Geogebra Wiki site for pupil free access.
With the skills above, one can confidently carry out design of even the lesson tool (Geogebra applet)
 
Level 3 (2 hours)
Advanced features like generating objects using lists, sequences, dynamic colours, advanced animation and adding Javascripts to extend Geogebra's features and provide a very sophisticated learning tool for pupils.
The skills at this level would be more for the educational technology specialist.
 
Let me know if you are interested in learning the software so I could organize the training at Department level 
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