Outline
Theodorus Spiral
- Understanding Irrational Numbers
- Reasoning on the Pythagorean Theorem
- Using properties of circles
- Shape understanding of the constructed spiral
- Investigating on the construction of the Spiral
- Mastering GeoGebra using sliders and Conditions
The picture is taken on Pixabay Licence https://pixabay.com/it/service/license/
Table of Contents
Lesson Plan_ Aims and Process
Video
Results
- "The Shell"- Francesco Cipriani (IT)
- "The Spiral Staircase of Irrational Numbers" - Alessandro Assumma
- "Harmony" - Andrea Falconi (IT)
- "The Animated Spiral" - Fabrizio Coscarella (IT)
- "The Sand Shell" - Flavio Fiore (IT)
- "The Sliding Tirangles"- Giovanni Silvi (IT)
- "The Spiral coming out from the Colosseum- Giuseppe Falcioni (IT)
- "The Ever Green Shell" -Riccardo Marzano (IT)
Constructing Square Roots on the Number Line