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Learning Basic Addition with DIY Paper Apple Tree
Let's use apples to check our math! This educational craft for math activity clearly shows the representation of addition, and it makes finding results fun for children.⠀ MATERIALS:⠀ - Coloured paper⠀ - Pencil⠀ - Scissors⠀ - Glue⠀ -...
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How Game Theory Solved a Religious Mystery
A man dies leaving insufficient funds for debtors claiming 100, 200, and 300. How should his estate be divided up? This problem appears in the Talmud with some unusual answers. It turns out the answers are consistent with a game theory...
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Math Homework For 6 Year Olds Stumping Adults
The Holderness Family posted this problem for 1st grade students (6 year olds in US) to Facebook. The picture shows some letters that are arranged in a pattern. Use the key to find the missing letter. The key is A = 5, B = 6, C = 7,...
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Killer Math Problem With An Unbelievably Elegant Solution
Did you know some math problems were used to discriminate against groups of people? This is one such problem, and it stumped me! But it has an unbelievably elegant solution. Take any equilateral triangle and pick a random point inside...
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Adults Are Arguing About This 3rd Grade Math Problem
"If Sue runs around the track twice, and John runs around the track four times more than Sue, how many times does John run around the track?" This problem was given to 3rd graders. A parent disagreed with the answer the teacher was...
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Everyone Got This SAT Math Question Wrong
Problem: Circle A has 1/3 the radius of circle B, and circle A rolls one trip around circle B. How many times will circle A revolve in total? 1982 SAT Question In the figure above, the radius of circle A is one third the radius of circle...
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Answer To 1st Grade Math Question From Hong Kong
Watch the problem first: https://www.youtube.com/watch?v=OGOzKu33zaI This video is a solution to those problems. What is the car's parking spot number? Hong Kong elementary students were asked to solve this problem in 20 seconds. The...
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Can You Solve A 1st Grade Math Question From Hong Kong?
Adults are baffled by this question asked to elementary school students in Hong Kong! What is the car's parking spot number? You have 20 seconds to solve this. Can you solve this viral puzzle? Answer to problem:...
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Can You Solve The Knight On A Chessboard Riddle? Math Olympiad Problem
Alice and Bob are playing a game. Alice starts by placing a knight on the chessboard. Then they take turns moving the knight to a new square (standard chess rules apply: the knight moves in an "L" shape). The first player who cannot move...
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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...
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Mathematicians SOLVED The BEST Way To Play Memory/Concentration (Card Game)
The card game of memory (aka concentration) is a children's game to test visual recall. Strategically you can figure out the best move by doing probability calculations. This video explains the best possible way to play the game...
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The Prisoners Dilemma - The Most Famous Problem in Game Theory
The Prisoner's Dilemma is the most famous problem in game theory, as it shows that individuals who make rational decisions might end up in an outcome that's worse for everyone in the group. In other words, individual rationality does not...
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Seemingly Impossible Puzzle - Who Lost The 4th Game?
Thanks to Omer from Israel for suggesting this type of puzzle! Three friends rotate playing 1-on-1 basketball games. If A played 8 games, B played 11 games, and C played 15 games, who lost the 4th game? It seems impossible but you can...
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The Game Theory Solver: Solve Any 2x2 Matrix Game Automatically
The solver: http://mindyourdecisions.com/GameSolver.html The game theory solver will automatically calculate the Nash equilibria in pure and mixed strategies for 2x2 games. Get my book on game theory! http://amzn.to/1uQvA20 The song in...
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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...
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Can You Solve The 21 Flags Game From Survivor?
Contestants on the TV show "Survivor" faced off in a series of challenges for a grand prize of $1 million. Most of the challenges were physical like hiking many miles or diving underwater. But one challenge was mathematical. The game had...
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An Awesomely Evil Test Question And The Game Theory Answer
This test question went viral on Twitter and then got coverage in the Baltimore Sun and other mainstream media. But most of the coverage was wrong. This video explains the game theory answer. Blog post with a summary and more detailed...
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Game Theory Puzzle: The Race To 15
I have seen this puzzle in a few places. Most recently I came across it in Peter Winkler's "Mathematical Puzzles: A Connoisseur's Collection" http://amzn.to/1DcPE4V The Race to 15 Game Theory Puzzle. Alice and Bob take turns selecting...
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Why Are Gas Stations Often Located Next To Each Other? Hotelling's Game
Hotelling's game explains why gas stations are close to each other and why politicians appeal to the central voter during elections. Blog post (Hotelling's game): http://wp.me/p6aMk-37 Blog post (applied to why Donald Trump gets so much...
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Dark Knight Game Theory: The Robbery Scene And The Pirate Game
The opening scene of The Dark Knight is fairly similar to a mathematical problem known as the "pirate game." There are 3 pirates that want to divide up 100 coins, how will they do it? I've explained the problem and solution in more...
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Breaking Bad Game Theory Part 1 (Vs Decision Theory)
I'm sorry the clip from the show has been blocked. For more on such topics, check out my book on game theory/strategic thinking: http://amzn.to/1uQvA20 For more on game theory in Breaking Bad, see my post:...
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Dark Knight Game Theory (Part 2): Joker Mob Negotiation
The Joker asks the mob for half the money. Why is this a reasonable amount? I've explained the scene in more detail here:...
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Breaking Bad Game Theory Part 3 (Tough Guy)
I'm sorry the clip from the show has been blocked. For more on game theory in Breaking Bad, see my post: http://mindyourdecisions.com/blog/2013/10/01/game-theory-in-breaking-bad/#.U1rSevldV8E If you like my videos, you can support me at...
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Breaking Bad Game Theory Part 4 (Breakage)
I'm sorry the clip from the show has been blocked. For more on game theory in Breaking Bad, see my post: http://mindyourdecisions.com/blog/2013/10/01/game-theory-in-breaking-bad/#.U1rSevldV8E If you like my videos, you can support me at...