Archive for the ‘Uncategorized’ Category
Arc length: the sad and intriguing case of the length of a circle
Posted by: Gary Ernest Davis on: February 16, 2011
When I was a little fellow in secondary school I was puzzled by my teacher imagining string placed around a circle and straightening the string to find it’s length. I was also very uneasy about Ï€ as the ratio of the circumference of circle to its diameter. For some time all I had was a […]
"This is a good way for me to learn math because I like art."
Posted by: Gary Ernest Davis on: February 14, 2011
Michel Paul teaches mathematics at Beverly Hills High School in California. One of his students, Hannah, recently completed a GeoGebra project over winter break. Hannah had never used GeoGebra before, and had recently arrived in the US from China. Below is a screenshot of her GeoGebra project (click on the image for a larger version): […]
