Archive for the ‘Puzzle’ Category

Puzzler: a squarable region from Leonardo da Vinci

Posted by: Dave Richeson on June 18, 2012

A pyramidologist’s value for pi

Posted by: Dave Richeson on April 27, 2011

A game for budding knot theorists

Posted by: Dave Richeson on August 24, 2010

The left-handed boy problem

Posted by: Dave Richeson on August 5, 2010

Mathematical magic tricks for kids

Posted by: Dave Richeson on August 2, 2010

A card trick that will probably amaze your friends (solution)

Posted by: Dave Richeson on March 15, 2010

A card trick that will probably amaze your friends

Posted by: Dave Richeson on March 15, 2010

Kindergarten mathematics

Posted by: Dave Richeson on October 12, 2009

More on twin primes and Pythagorean triples

Posted by: Dave Richeson on August 26, 2009

What is a howicide?

Posted by: Dave Richeson on August 15, 2009

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