Monthly Archives: July 2011

Wordless proofs

AndrĂ©s Arrieta pointed me to the following post on Google+. (The experience of creating circles of interest and sharing posts with them is quite different from making friends on Facebook or joining mailing lists, groups on LinkedIn and other services, … Continue reading

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What do mathematicians and scientists do all day?

Hint: Not what schoolchildren studying math and science in school do all day. It is a common supposition that mathematicians and scientists mostly do a lot of calculating and computing, always getting the Right Answer (except for the conspiracy theories … Continue reading

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Arithmetic with fractions

Steve Thomas asked an interesting question recently, which prompted me to set down some things I had been thinking about. I have added a few comments here for those with a less mathematical background or a different location in the … Continue reading

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Another programming language for Sugar

The news today is that J Software has put its J programming language under GPL3, meaning that it is now Free Software (Open Source, too, if you like) available for use with Sugar. J is Turing Award winner Ken Iverson’s … Continue reading

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Higher Mathematics for Children

The exchange below contains many statements that start in common experience, but end up outside the general experience of non-mathematicians. None of the ideas is too complex for us to discuss, even though the full mathematical apparatus of notations, axiom … Continue reading

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What is the purpose of the education system?

Is education still about getting a job? If its not then what is its purpose? Asked on the my3P discussion on LinkedIn. (Ask me to connect with you.) “The my3P global advisory group helps shape our Youth Social Enterprise & … Continue reading

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Turtle Art Tutorials

For some time, Tony Forster has been blogging about using Turtle Art to teach math, programming, and interfacing to the world outside the computer. More recently, I started creating Turtle Art Tutorials to explain how to teach Turtle Art, and … Continue reading

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