6 Lesson Plan Ideas for Pi Day

Pie Day

Tomorrow is Pi Day, otherwise known as 3.14159265358979323846264 Day! Math teachers all over the world  encourage their students to learn about this famous number in creative ways on this special day.

First thing’s first, what is Pi? According to Scientific American, Pi is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle’s size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14. But pi is an irrational number, meaning that its decimal form neither ends (like 1/4 = 0.25) nor becomes repetitive (like 1/6 =0.166666…). (To only 18 decimal places, pi is 3.141592653589793238.)

We’ve compiled some of our favorite resources and lesson plans about Pi that you can use to celebrate in an engaging and fun way with your students:

  1. Video explaining Pi in 3:14 minutes.
  2. This free download from Teachers pay Teachers has pie-themed Pid Day word problems on circumference and area. Perfect for grades 6-8.
  3. Check out a cool infographic with Pi facts from readwrite.com here.
  4. http://www.joyofpi.com has Pi Facts and links to additional Pi resources.
  5. Finding the Value of Pi is a great assignment for 6-10th graders.
  6. It’s not all about Math! Read up on the history of Pi here from the University of St. Andrews.

If you want to add a little more to your ‘math street cred’, you can also celebrate pi minute, twice. It occurs twice on March 14 at 1:59 a.m., and 1:59 p.m

And if you are in Phoenix, AZ, you can attend the world’s largest pie fight for peace! http://www.peacepi.com/

 

Bonus question: What famous scientists birthday is on Pi Day?

Answer: Albert Einstein

Do you have another idea for how to include Pi day in your class? Share your tips in the comments section!

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