the 14 th march is the so-called PI day. This day is dedicated to the well-known and important number PI. Many schools allover the world celebrate this day by designing posters of PI properties, creating songs or eating PI(e) cake. 

The Croation team has proposed a lot of PI activties for this day - using GeoGebra or working with paper and pencil - hands-on.

Results and artwork of PI activities will be exposed here.