Saturday, March 14, 2009

Pi Day

What is Pi??? It is the ratio of the circumference of a circle to its diameter. Regardless of the size of the circle, Pi is always the same number: approximately 3.14.

Physicist Larry Shaw created a Pi Day celebration 20 years ago on March 14 at the Exploratorium Museum in San Francisco. Schools around the world celebrate this special day with lots of fun math activities. Check out this video to see and listen to a rap song.

Now check out these great resources for Pi Day.

Pi Day at the Exploratorium

Teach Pi

Dr Math


  1. Sally, great job on posting consistently. You are finding content that is applicable and informative, and you are making great use of graphics and video. Your blog is really coming together well!

  2. Loved this post. I love math! Yes, I admit that. You had great visuals and info here Sally. Good job! - Juli

  3. Good job! You are doing great incorporating all that we were assigned. You are doing well with putting good posts on your blog. You have a passion and it is showing!

  4. I didn't realise that pi could be such fun! You have some great ideas and creative ways of expressing them. Well done.

  5. I love Pi day. My favorite is cherry! :) Great posts and use of resources and visuals.

  6. I shamely admit this is my first time visiting your blog. I'm jealous. It looks great. Very well organized and easy to follow. i love it.