using images in geogebra for teaching mathematics andreas lindner austrian geogebra institute

04/19/23 Pädagogische Hochschule NÖ 1

Austrian GeoGebra Institute

GeoGebraDynamic Mathematics for Schools

Using Images in GeoGebra for Teaching Mathematics

Andreas LindnerAustrian GeoGebra Institute




Example 1

• Steep slide – Where is the steepest place of the slide?– Modeling of the example

• Overtaking– The green car takes over…




Example 2Spirograph

– Real experiment– Spirograph




Example 2Optimum values

– Find the minima of the surface of a can.

– Surface of can




Example 3Optimum values

– Which curve is described by themovement of the crank of this toy?

– Ellipse circle




Example 4

Cycloids – Which curve is defined

by the movement of a reflector? – Reflector




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




Example 5

Drawing parabolas – How to draw a parabola– Parabola




Example 6

No images but 3D…

– Sphere coordinates

– Spheres of Dandelin




Example 7

Hanging chain – Can a hanging chain be described

by a parabola?

Measurement of forces– How to measure forces




Many, many more examples to come…

Thank you for your attention

using images in geogebra for teaching mathematics andreas lindner austrian geogebra institute

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