George Polya, Master Problem Solver – a Model for All Math Teachers
George Polya was a master of problem solving, and his effect on other teachers has been extraordinary. His most popular book, How to Solve It, has sold over a million copies. As is the case with many great books, Polya had been turned down by three publishers before finding one to publish the English version [...]
Martin Gardner – For Decades, Puzzling People With Mathematics
Martin Gardner has published over 70 books and is the chief person responsible for the widespread interest in recreational mathematics. He turned 95 on 21 October, 2009 and celebrated by publishing another book. He authored the Mathematical Games column in Scientific American for 25 years. He quite possibly has introduced more people to the fun [...]
Friday Afternoon Lifesavers – the Teacher’s Best Friend; Part 3 Solution, Pythagorean Theorem Cut-Up
Shown in the graphic above is the solution to the Pythagorean Theorem Cut-Up problem posed last week as a Friday Afternoon Lifesaver. This puzzle gives teachers a chance to talk about the theorem and its applications. After printing the puzzle, you can talk about how the five pieces must fit so that one edge of [...]
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