What is Geo Gebra and How Could I

What is Geo. Gebra, and How Could I Use It? National Council of Teachers of Mathematics St. Louis, MO October 28, 2011 The America’s Center Mrs. Ana Escuder Florida Atlantic University Boca Raton, Florida Ms. Lisa Herron Cypress Bay HS Weston, Florida Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Dr. Joseph M. Furner Florida Atlantic University Jupiter, Florida

Geo. Gebra The Abstract Geo. Gebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, tables, graphing, statistics and calculus in one easy-to-use package. http: //www. geogebra. org/cms/en/info Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

Geo. Gebra: The Basics In the presentation, we will show the following: • How to use the polygon and circle tools • How Geo. Gebra uses sliders to adjust values • How to use checkboxes to hide and show functions • How to insert images into a file Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

Graphs of Linear Functions Use Slider to show slope and y-intercept changes Link to

Graphs of Quadratic Functions Show the changes of a parabola: * Using the definition Link to Geo. Gebra: Definition * f(x) = a(x – h)2 + k Link to Geo. Gebra: Quadratic Functions in Vertex Form * f(x) = ax 2 + bx + c Link to Geo. Gebra: Quadratic Functions in General Form Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

Graphs of Other Functions Link to Geo. Gebra: Other Functions Copyright 2011 Ana Escuder,

Piecewise Functions Restricting Domains Link to Geo. Gebra: Piecewise Functions Copyright 2011 Ana Escuder,

Using Exponential Functions with Everyday Pictures Link to Geo. Gebra: Exponential Roller Coaster :

Using Quadratic Functions with Everyday Pictures Link to Geo. Gebra: St. Louis Arch Copyright

Finding Area and Perimeter Link to Geo. Gebra: Area and Perimeter Copyright 2011 Ana

Virtual Web Sites The Representational • National Library of Virtual Manipulatives • National Council of Teachers of Mathematics • Cut the Knot • Other Resources Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

So why should we use Geo. Gebra? A Summary • • Free download. Go to geogebra. org Up and coming dynamic teaching tool in schools. User-friendly for students and teachers. Provides many resources and teaching tools at its wiki for educators at: http: //wiki. geogebra. org/en/Main_Page • Can even be used for primary-aged students. Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

Thanks for coming to our Presentation! Power. Point and Data Files: http: //matharoundus. com/geogebra Contact Information: Mrs. Ana Escuder (Florida Atlantic University) anaescuder@gmail. com Dr. Joseph M. Furner (Florida Atlantic University) jfurner@fau. edu Ms. Lisa Herron (Cypress Bay High School) mslherron@yahoo. com Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron