Using Images in GeoGebra for Teaching Mathematics Andreas Lindner Austrian GeoGebra Institute

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Using Images in GeoGebra for Teaching
MathematicsAndreas LindnerAustrian GeoGebra
Institute
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• Example 1
• Steep slide
• Where is the steepest place of the slide?
• Modeling of the example
• Overtaking
• The green car takes over

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• Example 2
• Spirograph
• Real experiment
• Spirograph

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• Example 2
• Optimum values
• Find the minima of the surface of a can.
• Surface of can

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• Example 3
• Optimum values
• Which curve is described by themovement of the
  crank of this toy?
• Ellipse circle

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• Example 4
• Cycloids
• Which curve is definedby the movement of a
  reflector?
• Reflector

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• Example 4
• Images from Google Maps
• Find a function describing the course of the
  street in an image taken from Google
  Maps.Calculate the curvature and the osculating
  circle at a given place.
• Google Maps

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• Example 5
• Drawing parabolas
• How to draw a parabola
• Parabola

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• Example 6
• No images but 3D
• Sphere coordinates
• Spheres of Dandelin

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• Example 7
• Hanging chain
• Can a hanging chain be describedby a parabola?
• Measurement of forces
• How to measure forces

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• Many, many more examples to come
• Thank you for your attention