What is GeoGebra, and How Could I Use It? Mrs. Ana Escuder Florida Atlantic University Boca Raton, Florida Ms. Lisa Herron Cypress Bay HS Weston, Florida.

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Presentation transcript:

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

GeoGebra The Abstract GeoGebra 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. Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

GeoGebra: The Basics In the presentation, we will show the following: How to use the polygon and circle tools How GeoGebra 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

Use Slider to show slope and y-intercept changes Graphs of Linear Functions Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Link to GeoGebra: Linear Functions in Slope-Intercept FormLinear Functions in Slope-Intercept Form

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

Graphs of Other Functions Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Link to GeoGebra: Other FunctionsOther Functions

Piecewise Functions Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Link to GeoGebra: Piecewise FunctionsPiecewise Functions Restricting Domains

Using Exponential Functions with Everyday Pictures : Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Link to GeoGebra: Exponential Roller Coaster Exponential Roller Coaster

Using Quadratic Functions with Everyday Pictures Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Link to GeoGebra: St. Louis ArchSt. Louis Arch

Finding Area and Perimeter Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron Link to GeoGebra: Area and PerimeterArea and Perimeter

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 GeoGebra? A Summary Free download. Go to geogebra.orggeogebra.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: Can even be used for primary-aged students. Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron

Thanks for coming to our Presentation! PowerPoint and Data Files: Contact Information: Mrs. Ana Escuder (Florida Atlantic University) Dr. Joseph M. Furner (Florida Atlantic University) Ms. Lisa Herron (Cypress Bay High School) Copyright 2011 Ana Escuder, Joseph M. Furner, Lisa Herron