Welcome to the first and best place on the Web for teachers who want to find or share ideas for Pi Day activities, learning, and entertainment.
We believe that promoting an enthusiasm for learning, through celebration and creativity, will lead to a richer classroom environment and a deeper appreciation of mathematics. read more
Pi Goes to Washington
U.S. House Resolution 224 (March 2009) » Congress votes, not quite unanimously, to recognize March 14 as Pi Day
The Guy Who Named it Pi
William Jones (1675 – 1749)» First mathematician to use the Greek letter π to represent the important ratio
Devoted Beyond Death
Ludolph van Ceulen (1540 – 1610)» Tireless hand-calculator who took pi to 35 digits & had them engraved on his tombstone
Birth of the Pi Rap
Lose Yourself (In The Digits), March 2004» Three days of focus, ending with a sudden command performance in front of hundreds
Digits Span the World
Ever wanted to own a digit of Pi? This is your big chance. No kidding.
Pi on the Brain
The Role of Memory in Mathematical Ability» Lessons from neuroscience on how memorizing pi may have broader benefits for the teaching & learning of math
The Kid Memory Whiz
Gaurav Raja (1990 – )» Teenage pi reciter who broke the 27-year-old North American record in 2006
Girl on a Memory Mission
Adriana Martin (2007 – )» Youngest person to recite more than 600 digits… and counting!