Have you ever heard of a Pi Day?
Pi Day is celebrated every year, on March 14.
Founded in 1988 by physicist Larry Shaw, Pi (π) Day has become an international holiday.
The date was selected because of its numbers, 3.14, which are the first three digits of Pi.
Moreover, it is also Albert Einstein’s birthday!
It is the day to compete in reciting the digits of Pi (3.14…). It is also a day for some fun math activities, sharing Pi jokes, discussing latest discoveries in mathematics, and, of course, eating some delicious PIE!
Pi Day has its own place in the world of the Internet – check out https://www.piday.org/ for more information on how and why this day was established, who sponsors it, as well as for a variety of Pi Day resources.
Where did the number Pi come from?
The first calculation of π was done by Archimedes of Syracuse (287–212 BC). He used Pythagorean Theorem to approximate the area of a circle. Later, Zu Chongzhi, a Chinese mathematician, also used a similar method. Then, in the 1706, William Jones introduced the Greek letter π to be the symbol of Pi number, while Leonhard Euler adopted and popularized it.
Pi is the ratio of the circumference of a circle and its diameter. Therefore, in order to determine the circumference and area of any circle or to find the volume and surface area of any 3D shape that contains circle(s) it is necessary to use the number Pi in calculations.
Pi is a homonym of Pie. There are a number of funny jokes and memes related to this.
Pi Day activities
Pi Day is also a great day for all kinds of hands on activities that could include baking a pie with a Pi symbol on it or cutting strings to match the approximate length of a Pi segment.
Exploratorium’s Cutting Pi and Pi Graph activities will help your child understand how Pi works while engaging in a fun activity.
You can also encourage your child to improve their understanding of solving problems involving the Pi number. In addition to the free video lessons here, you can download a study note and practice on the topic.
Don’t have much time for an activity, but want to try something cool and quick with your kid(s) related to Pi number?
Let the Wolfram Language generate your own personal piece of Pi.
Enter your birthday or any other date to see how many digits it takes to get there.
Have fun and remember that it is easy to get ahead in math anytime anywhere with IntoMath
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