On March 14, which by coincidence is Eistein's birthday, Mathematicians all over the world celebrate Pi Day, at 1:59. The choice of the day and time is easily understandable, if we think or the first digits in Pi: 3,14159.
Since it was such an importand day for mathematicians of all ages all over the world, we decided to celebrate it together by a collaborative activity. Here are some of the activities that we planned, did and then discussed:
Here is a Geogebra illustration of Archimede's method for calculating Pi. It was so nice to think that it was a shared activity, and that we will be able to compare what we did!
The result is this video we created together: