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16 fun applications of the pigeonhole principle [This article is included in the 45th Carnival of Math] Mathematical logic can produce some great trivia. Did you know that at every instant, there is a spot in the world where no wind is blowing? 16 fun applications of the pigeonhole principle
A fun card puzzle I came across a good brain teaser at this site: A pack of cards has 52 cards. You are in a dark room with this pack of cards. You have been told that inside the pack there are 42 cards facing down, 10 cards facing up. A fun card puzzle
Gems of Discrete Probability
Spot the math errors! Spot the math errors! Via StumbleUpon, I came across this short text page which lists three mathematical ‘proofs’ which seem to violate common sense, listed below. The first is: The second one is:
Math God test Idiot World's Math Godeek Test It's easy to see patterns where no patterns exist.. or do they? Just get the next number in the sequence. It should be as easy as 1, 2, ..., err, what's the next number? "God made the positive integers; all else is the work of man."Leopold Kronecker Math God test
8 really fun paper and pencil Math games » Fun Math Blog Games and Math go really well together, although a lot of people don't make that connection. Math really can be fun if some of its principles are taught through games. We see this in quite a number of free and commercial video games that teach math concepts, typically through solving arithmetic problems. In this article I present 8 games of a different variety. They use paper and pencil, are free, are easy to learn, and teach logical thinking and strategy that involves looking ahead. They're great fun and they can usually be played by young and old alike. 8 really fun paper and pencil Math games » Fun Math Blog
These problems are aimed at junior high and high school students with a flare for mathematics and logic. TakeLessons math tutors can help students solve these and other problems that they may encounter in school, work, or recreational settings. These are "real world" problems, rather than abstract riddles about sets or trigonometry etc. Math Puzzles For Kids Math Puzzles For Kids