Using GeoGebra in the Geometry Classroom Lance Bledsoe Garner Magnet High School
All handouts, links, powerpoint slides, and other materials from this workshop are available at:www.lancebledsoe.com/geogebra-tutorial
What is GeoGebra and what can it do geogebratube.org – A super simple way to use GG in your classroom Installing GeoGebra on your computer (and why you might want to) Modifying other people’s GG worksheets Creating GG worksheets from scratch
A super simple way to use GeoGebra in your classroom.
1. Go to www.geogebra.org .2. Click on “Download”.3. Click on “Webstart”.Note: This method works pretty well for Windows PCs and Macs. Ubuntu users may want to install from within Ubuntu (e.g., use Synaptic, etc.)
1. Find a GG worksheet on geogebratube that you like pretty well except for one or two small things.2. Download the worksheet (.ggb file only).3. Open the worksheet in GeoGebra (which is now installed on your computer) by double- clicking on the worksheet file.4. Make your changes and save your worksheet (as a .ggb file).5. Upload your worksheet to your geogebratube.org account.
Some changes that are simple to make on an already existing worksheet: Changing the size of the worksheet window. Adding student instructions. Making things invisible (e.g., the Algebra View window, the x-y axes, etc.) Adding checkboxes.
Using the Geogebra Toolbar The “Move” arrow The “Undo” and “Redo” buttons Object Properties
Selected introductory tutorials (from http://mathandmultimedia.com/2011/01/01/geogebra- essentials-series/ ) #1 – Drawing a triangle and centroid #2 - Drawing a rectangle #4 - Angles #6 - Sliders #8 - Text and Variables
Email: LBledsoe2@wcpss.net or Lance@LanceBledsoe.comTwitter: @bledsoeWebsite/blog: www.lancebledsoe.comClass website: www.misterbledsoe.comFacebook: /lancebledsoe