1. Using GeoGebra in the
Geometry Classroom
Lance Bledsoe
Garner Magnet High School
2. All handouts, links, powerpoint slides, and
other materials from this workshop are
available at:
www.lancebledsoe.com/geogebra-tutorial
3. 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
6. 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.)
7. 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.
8. 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.
9. Using the Geogebra Toolbar
The “Move” arrow
The “Undo” and “Redo” buttons
Object Properties
10. 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
11. Email: LBledsoe2@wcpss.net or
Lance@LanceBledsoe.com
Twitter: @bledsoe
Website/blog: www.lancebledsoe.com
Class website: www.misterbledsoe.com
Facebook: /lancebledsoe
