Pi Day activities

Fun Ways to Celebrate Pi Day (3.14) from Mathnasium

Why do we make such a big deal out of pi? Because pi is a big deal. This irrational number that begins with 3.14 and goes on forever helps us understand so much about our universe. We first learn about pi when measuring circles, but pi is also used to talk to satellites, to measure how fast and powerful a computer is, and even to study the structure of an eye. Pi is used every day to make calculations in physics, engineering, modern construction, space exploration and so much more. Pi is all around us, and it helps the world go ‘round (and ‘round). So let’s give pi the celebration it deserves.

Mathnasium of Lake Country, a math-only learning center located in Hartland, strives to make math fun for all kids, so let’s do the same with pi! PLUS – Mathnasium in Oconomowoc is opening in May 2023! Check their new location next to the new Sendik’s! 


Activity #1

Search for circular objects around the house. Grab some string or ribbon and scissors and let’s learn about pi. Wrap the string around the circular object and cut it where it meets. This is called the circumference! Now place a piece of string across the top of the object, right through the center, and cut that. This is called the diameter!

Now for the real fun! Place the diameter string next to the circumference string. Find out how many diameters fit into the circumference. Guess what? It will be 3 times plus a little bit more. You found pi!


pi day 2021

Activity #2

Read Sir Cumference and the Dragon of Pi. This math adventure is centered around a potion that changes Sir Cumference into a fire-breathing dragon. Can Radius change him back? Join Radius on his quest through the castle to solve a riddle that will reveal the cure. It lies in discovering the magic number that is the same for all circles.

Get it on amazon here.

Activity #3

Complete our Mathnasium Pi Day Word Search. Find all the words that represent circular objects! Click on the images below to download the word search and answer key.

For the answer key click here.


Activity #4

Decorate the Mathnasium Pi Day coloring sheet. Tag us on Facebook (@MathnasiumLakeCountry) with your Pi day works of art. Click on the image below to download and print the coloring sheet.

We hope you enjoyed these fun Pi Day activities! Mathnasium of Lake Country is now enrolling for the remainder of this school year and for summer for any family looking to get their child help to catch up, keep up or get ahead in math! Learn more at mathnasium.com/lakecountry.

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Find Other Things to Do in March 2023 here!

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