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News from Mathnasium of Somerset

Mathnasium PI DAY 2021

Mar 10, 2021

Pi Day Countdown

 

We’re counting down to our favorite math holiday—Pi (π) Day, which takes place every year on March 14(3/14 = the first three digits of pi)! Math enthusiasts the world over celebrate Pi Day every year, and with all this hullabaloo, you may be wondering… what exactly is pi?

Pi is the ratio of a circle’s circumference (the distance around the circle) to its diameter (the distance across the circle), expressed as C/d (where C is the circumference and d is the diameter). When you take the distance around the circle and divide it by the distance across the circle, you always get the same number—pi! It doesn’t matter how big the circle is—it could be as small as a dime or as big as the sun—the distance around divided by the distance across always comes out the same number. Which brings us to our next pi fact…

Pi is a mathematical constant. As the term implies, “constants” are fixed quantities—they don’t change in value within their given context.

Pi is also an irrational number. This means that it cannot be expressed exactly as a common fraction. Furthermore, while you may find patterns of some sort in irrational numbers, these patterns don’t repeat. Every irrational number—including pi—can be written as a non-repeating, non-terminating decimal. In late 2013, a computer successfully calculated pi to 12.1 trillion digits, stopping only because it ran out of disk space! Per the Guinness Book of World Records, the current (human) record holder (as of March 21, 2015) for the most digits of pi memorized is Rajveer Meena of Vellore, India, who memorized a whopping 70,000 digits of piPiDay.org has pi written out to the millionth digit—how many can you memorize?

Many mathematicians and scientists throughout ancient and modern history have conceptualized and worked with pi! References to the ratio have been found in the Bible, and the Ancient Babylonians, Egyptians, Greeks, and Chinese have also approximated values for pi. Most notably, the Ancient Greek mathematician Archimedes used polygons and circles to arrive at a geometric interpretation of how to calculate the value of pi. Throughout history, pi’s been used in calculations by astronomers, architects, engineers, computer programmers, sociologists, statisticians, physicists… the list goes on. Indeed, the world as we know it would be very, very different without pi! Read about how pi is used to find new planets, and more.

Considering that pi is written as a non-terminating decimal, just how many digits of pi do we really need for all these calculations? While 3.14159… will do for most schoolwork, this awesome video shows how 39 digits of pi will suffice when calculating very large or very small things, from the width of a hydrogen atom all the way to the circumference of the observable universe!

Let's celebrate this incredible, irrational number!

Mathnasium of Somerset is hosting a PI Day - PI(E) Baking Contest on March 14, 2021.

Bake up a favorite PI(E) with your little baker and send us a picture/video by midnight on 3/14 either on our Facebook Page - Mathnasium of Somerset or email somerset@mathnasium.ca.
 

Include your child's first name, PI(E) photo/video, email, school, grade and enter to receive a $50.00 gift card of your favourite PIZZA place. 

Our judges are looking for creativity & PI Day themed décor! Winner will be announced (March 15) based on "Most Creative PI(E)".

Start warming your oven and let the baking begin! Ready, Set, GO!