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Celebrate Pi Day with Mathnasium + Win One Free Month!

This post was written and sponsored by our partners at Mathnasium.

March 14th is recognized around the world as Pi Day. Are you wondering,

What in the world is Pi and why does it have it’s own day?”

Well, you probably aren’t alone. We’ve got some ideas on how to celebrate and learn about this very special number, Pi.

So what exactly is Pi?

Pi is the ratio of a circle’s circumference to it’s diameter. Regardless of the size of the circle, Pi is always the same number. So, for any circle, dividing the circumference by the diameter will give you the exact same number: 3.14159…or Pi.

Pi is also an irrational number, which means that it’s value cannot be expressed exactly as a simple fraction. As a result, Pi is an infinite decimal. Pi Day is a always celebrated on 3/14 and this is a way to have some fun with math and teach your kids the fundamentals of an important math concept. We have some ideas on how you can celebrate at home if you can’t make it into one of our centers.

Prove Pi

Wrap a piece of yarn or string around a cylindrical object and then cut. Now find out how many times the circumference string will go across the diameter: place the string across the diameter of the object and then cut the string. Repeat until you’ve gone through the string.  Then amaze your child by repeating this process on a much wider or thinner cylinder to get the same answer: pi. 

(Via the Homeschool Scientist)

Make a Visual Representation of Pi

Use 10 different colors of construction paper. Choose a different color to represent each digit, 0 to 9. For example: 1=red, 2=blue, 3=green, 4=yellow… In that way, 3.141 would have rings of green, then red, then yellow, then red. Continue creating the chain for 3.14159… 

Pi Day


Read about Pi

At Mathnasium, we know that all kids learn differently and we work with our students to find a way to explain math in a way that makes sense to them! Sometimes creative explanations can help bring a mathematical concept to life! We absolutely love “Sir Cumference and the Dragon of Pi” by Cindy Neuschwander. We think that this creative tale of the adventures of Sir Cumference, Lady Di of Ameter, and Radius helps kids learn about the magic number that is the same for all circles!

Eat Pizza Pi(e)

This occasion is a great reason to indulge in some pizza pie for dinner. Order up a round pizza and kids can measure your dinner as another illustration of how to calculate Pi (and then devour their materials).

We are thrilled to partner with Mathnasium (with over 18 Valley locations) to offer readers a special giveaway!


About Mathnasium

Mathnasium, the nation’s leading math-only learning center franchise, specializes in teaching kids math in a way that makes sense to them. When math makes sense, kids excel—whether they’re far behind or eager to get ahead. The proprietary Mathnasium Method™ is the result of 40+ years of hands-on instruction and research. The experts at Mathnasium can help by conducting a thorough assessment to learn more about your student’s math strengths and weaknesses. The next step is developing a customized plan to get your child back on track or start to get ahead and celebrating math successes throughout the school year! Reach out to one of the Phoenix-area Mathnasium locations to schedule an assessment for your child. For more information, visit

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