GeoGebra for Secondary Math Teachers LINKS

"In a completely rational society, the best of us would aspire to be teachers and the rest of us would have to settle for less, because passing civilization along from one generation to the next ought to be the highest honor and the highest responsibility anyone could have ." -- Lee Iacocca

The following accompany Kellie Evans' presentation given at the Robert Noyce Teacher Scholarship Conference Washington DC, May 30, 2013

 #1 Geogebra Applet Start #2 Incredible shrinking dollar, to go with Dan Meyer's three act math task Scale US dollar coin Generalize shrinking dollar problem #3 Taco Cart and sequel, to go with Dan Meyer's Taco Cart problem. Taco Cart sequel. #4 Graphs of cosine and sine from the unit circle. Graphs of tangent and cotangent from the unit circle. Graphs of secant and cosecant from the unit circle. #5 Graph of cosine with horizontal shift. #6 Digits of pi. #7 Which rectangle with perimeter 60 has the largest area? #8 Darryl Yong's Water Container Problem, modeled in GeoGebra (by Kellie Evans). #9 Exploring the relationship between central and inscribed angles. Exploring linear functions. Exploring quadratics. Exploring how a matrix transforms a circle. #10 Cinderella's Cake. #11 The GeoGebra Tutorial series, by Guillermo Bautista, host of Mathematics & Multimedia. A GeoGebra Tutorial, by Marc Renault, Shippensburg University. Introductory GeoGebra materials from the GeoGebra website. #12 Spreadsheet of Dan Meyer's Three-Act Math Tasks. Dan Meyer's blog.