New Museum of Mathematics: Where Math is Cool
Celebrate the opening of the nation's first Museum of Mathematics and discover that math can be cool.
View ArticleThe Twelve Days of Christmas Puzzle
Which Twelve Days of Christmas gift is received the most?
View ArticleThe Stable Marriage Problem
Can you pair four men and four women so their marriages will be stable?
View ArticleBarry at the South Pole
Barry Hayes is on a stroll - at the South Pole. What are the chances he will make it back to the South Pole Marker?
View ArticleThe VIEWMONGOUS Puzzle
Sharp says its 80-inch LED TV has "more than double the screen area of a 55-inch TV." Is this true?
View ArticleThe Mathematics of Climate Change
Why is the Earth's climate the temperature that it is? And could this temperature be lowered by putting a giant mirror between the Earth and the Sun?
View ArticleThe Gambling Machine Puzzle
An entrepreneur has devised a gambling machine. Would you play?
View ArticleA Poker Puzzle From the Logic Olympics
Try your hand at logic with this poker puzzle from the 2012 World Puzzle Championship.
View ArticleThe Coupon Collector Puzzle
Collect all six and win a prize! How many purchases do you have to make?
View ArticleThe Improbable Life of Paul Erdős
Paul Erdös was one of the most extraordinary mathematicians of the last century. Celebrate the 100th anniversary of his birth with two puzzles, including a challenge from a longtime collaborator,...
View ArticleAfter the Party Problem
In a group of six people, at least two groups of three will always be either all friends or all acquaintances. What about seven people? Eight?
View ArticleThe Squareable Puzzle
Eleven is squareable: 11 squares can be fit together to perfectly form another square. What other numbers less than 30 are squareable?
View ArticleThe Boat Captain Puzzle
This week in Numberplay: a classic number challenge and two puzzle-hunt style puzzles inspired by the upcoming Stanford Puzzle Hunt.
View ArticleThe Primes in Evenland Puzzle
Take a trip to Evenland and ponder prime patterns in a world without odd numbers.
View ArticleThe 64 Mathematicians Puzzle
How long will it take 64 mathematicians to share their newly-learned theorems?
View Article