Pi Day

Pi Day is celebrated on March 14 ( 3.14) at 1:59.  What is Pi? The ratio of the circumference to the diameter of a circle.  This is an irrational number, meaning with no repeating decimal pattern or no end.  The value of pi is approximately 3.14159.  


Activities for celebrating!

  The Pi Song Mr. Herte's Pi activity      collection
 Pi Day Resources from        Educators   Making a Pi Necklace
  Plan a Pi Day Party   Activities from teach
   Celebrate Pi Day    More songs for Pi Day
   Facts about Pi