Pi Day

Kelsey Johnson telling our Cache and Cookies readers about Pi Day!

Did you know that if you look at 3.14 in the mirror, it spells pie!? Tomorrow, March 14th is Pi Day! Before your students get too excited and begin expecting a delicious home baked pie, take the time to review the actual meaning of Pi day. Pi was chosen as the Greek letter to represent the number 3.14, giving way to the 3/14 celebration.

Pi is the symbol in mathematics for the ratio of the circumference of a circle to its diameter. It is an irrational number, and will continue indefinitely without a sequence repeating in a pattern. The actual number begins with 3.14159265358979323846264338… and continues on forever. Play a game with your students to see how many digits they can memorize!

Check out our Pi Day content collection featuring many resources that you can use in your Pi day discussion. This content collection offers teacher’s guides, video clips, and more for you to explore the meaning of Pi.












What will you do to incorporate Pi Day in to your March 14th lesson plan? Maybe if your students are lucky enough, their teacher will bring in a pie to celebrate 🙂


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One Comment;

  1. GARY RANN said:

    Thanks Kelsey, I just spread the word throughout my high school. I am surprised it wasn’t posted at the beginning of the day.

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