Numberphile
Pi and the Size of the Universe
How many digits of pi would you need to accurately express the circumference of the universe? A mathematician attempts to answer this question in a Numberphile "Pi" video. It turns that only 39 digits are necessary to determine the...
Numberphile
Pi and the Mandelbrot Set
Pi shows up in a lot of places, even in the complex plane. Individuals watch a video in the Numberphile Pi series that shows the Mandelbrot set in the complex plane and explains how pi shows up in the number of iterations.
Numberphile
Pi Is Beautiful
Who knew you could use pi to create beautiful art? Scholars see how they can use the digits of pi to create art. The video in the Numberphile Pi series explores some examples of this type of art.
Numberphile
Calculating Pi with Real Pies
Pie is great for finding pi. A short video shows how to use real pies to calculate pi. The method involves laying out pies along the circumference and along the diameter of a circle, and then finding the ratio of the number of pies.
Numberphile
Pi and Bouncing Balls
Don't drop the ball—use a unique resource to teach your class even more about pi! Given a situation about balls bouncing off each other, viewers see how many bounces it takes for the larger ball to move in the other direction. This...
Numberphile
Should You Catch a Tossed Coin?
When flipping coins, is it fairer to catch the coin or let it fall to the floor? A short video in the Numberphile Coins playlist first explains that many coins have bias when spinning them on a surface. It follows that letting coins fall...
Numberphile
Consecutive Coin Flips
In a consecutive coin flip game, some outcomes far exceed others. Viewers watch a video in the Numberphile Coins series that shows that a heads-tail sequence is more likely than a heads-heads sequence. This occurs even though the...
Numberphile
Tau Replaces Pi
If it ain't broke, don't fix it? Young mathematicians learn about the advantages of replacing pi with tau, such as a more conceptual understanding of radian measure. The video in the Numberphile Pi series also explains why such a move...
Numberphile
Pi
Behind every number is a good story. Scholars learn how Archimedes tried to estimate the value of pi through inscribed and circumscribed figures. Viewers also see how they can use infinite series to find the value of pi by watching a...
Numberphile
Mile of Pi
What is the millionth digit of pi? (Answer: 1.) Scholars watch a video in the Numberphile Pi series that shows the unfurling of a mile-long banner with a million digits of pi along a runway. The narrator describes some interesting...
Numberphile
Pi and Buffon's Matches
There's no match for a helpful lesson about pi. Viewers of a video in the Numberphile "Pi" series watch as the narrator tries out the Buffon needle experiment with matches. The video explains how pi relates to the probability...
Numberphile
Sounds of Pi
Listen to the beautiful musical compositions of ... pi? Pupils watch a video in the Numberphile "Pi" series that explains how people can use pi to compose a musical score. The video portrays a guitarist playing the first few notes of the...
Numberphile
How Pi Was Nearly Changed to 3.2
Were it not for a coincidence, Indiana might have legislated an incorrect value of pi. Scholars listen to a true story about how Indiana's House of Representatives wanted scholars in the state to learn that pi was equal to 3.2. A math...