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Results from math-teach
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Dear professor, please stop telling teachers multiplication is scaling. Posted: May 7, 2013 11:21 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: Can you translate from Sanskrit? Euclid's definition of multiplication... Posted: Apr 20, 2013 1:22 AM, by: Jonathan Crabtree Show all results within this topic.

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Re: Proving a definition of multiplication (wrong) by induction Posted: Apr 17, 2013 10:51 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: Proving a definition of multiplication (wrong) by induction Posted: Apr 7, 2013 8:19 PM, by: Jonathan Crabtree Show all results within this topic.

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Funny Pi Day video. At 3.14 mark, David Letterman realises what pi means! Posted: Mar 14, 2013 2:53 AM, by: Jonathan Crabtree Show all results within this topic.

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Re: Proving a definition of multiplication (wrong) by induction Posted: Feb 5, 2013 10:49 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: "teaching fractions with paper folding" Posted: Jan 7, 2013 1:37 AM, by: Jonathan Crabtree Show all results within this topic.

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Re: Speachless In New York (or, another OMG moment) Posted: Jan 2, 2013 9:12 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: The Chinese man who gave 'proof' zero is a number in Istanbul... Posted: Dec 14, 2012 5:17 PM, by: Jonathan Crabtree Show all results within this topic.

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10)

TIMMS 2011 How did your country go? Not good news for US! Posted: Dec 11, 2012 7:10 AM, by: Jonathan Crabtree Show all results within this topic.

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11)

Re: Ways kids can make and build prime numbers. Re: A Good Activity Posted: Dec 7, 2012 1:00 AM, by: Jonathan Crabtree Show all results within this topic.

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Re: Treatment of Negative Numbers Posted: Dec 3, 2012 10:31 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: Some important demonstrations on negative numbers > Wallis/Pycior Posted: Dec 3, 2012 10:12 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: In "square root of -1", should we say "minus 1" or "negative 1"? Posted: Dec 3, 2012 10:09 PM, by: Jonathan Crabtree Show all results within this topic.

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Re: In "square root of -1", should we say "minus 1" or "negative 1"? Posted: Dec 2, 2012 11:10 PM, by: Jonathan Crabtree Show all results within this topic.

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