Curated Video
Math Magic Card Trick - Rolling 3 Dice
Have a spectator roll 3 dice. Count out cards equal to the sum of the dice. Then remove the middle value dice. From the smaller deck, count out cards equal to the sum of the remaining two dice and place the rest of the deck on top. Do...
Curated Video
How Warren Buffett Tried To Trick Bill Gates In A Dice Game
Warren Buffett once challenged Bill Gates to a dice game similar to this one. How would you play the game? Blog post (text explanation) http://wp.me/p6aMk-4ro Source The dice numbers and the story are described at Microsoft Research's...
Curated Video
Counter-Intuitive Probability: Loading A Dice Puzzle
A standard dice has the 6 showing with a probability of 1/6, which is the same as every other number. A loaded dice has the 6 showing with 1/2 the probability of the other numbers. What is the probability of rolling a 6? Watch the video...
Curated Video
You Need A Smart Strategy To Solve This Math Olympiad Game
Thanks to James M. for this suggestion! You roll a dice up to 3 times, stopping after any roll you wish. You get paid the value of the roll you stop. If you play optimally, what is your expected payout? (more precise wording in video) My...
Curated Video
Can You Solve The Dice Rolling Drinking Game?
The game starts with 6 empty glasses in a row numbered 1 to 6. You roll a standard die. If the number for the glass is empty, then the glass is filled up. If the number for the glass is full, then you drink that glass. There is a special...
Curated Video
Challenging Probability - How Many Dice Rolls Until You Get A Repeat?
If you roll a die many times, eventually you will get a number that you have already rolled before. What's the expected number of rolls until you get a duplicate number? Video with solution: https://youtu.be/kigFgzK1etw Blog post:...
NUMBEROCK
I Can Show Numbers in Different Ways Song | Representing Numbers | Kindergarten
Thank you for watching our song about showing numbers in different ways. The NUMBEROCK Bluegrass Band is back with Suzy and friends as they learn about numerals, counting objects, five frames, ten frames, tally marks, and all the other...
Curated Video
Only 18% Of Mathematicians Solved This Tricky Problem
This puzzle went viral in the discrete mathematics community because so many people got it wrong! You roll a fair dice until you get a 6. What is the expected number of rolls, including the roll of 6, conditioned on the event that all...
Curated Video
Counter-Intuitive Probability: The Snake Eyes Riddle
You close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for...
TED-Ed
The Last Banana: A Thought Experiment in Probability
Your learners will be surprised by the thought-provoking, counterintuitive puzzle presented in this short video that models a fun, fictional situation in which a game is played with two number cubes to decide which of two people wins a...