2009 Halloween Class Video
funny math teacher
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Spiral of Theodorus - Wikipedia, the free encyclopedia
From the wiki page: "In geometry, the spiral of Theodorus (also called square root spiral, Einstein spiral or Pythagorean spiral) is a spiral composed of contiguous right triangles." At the fifth winding of the spiral, the distance between two windings approach Pi.
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Moserware: A Stick Figure Guide to the Advanced...
Its sad that I was reading this, and I barely noticed that there were some pictures that didn't load. I'll have to go over it when its not 2 AM.
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Misha Lemeshkos blog: The greatest math problem ever
It brings up a good point, though. Those symbols we use to represent our numbers are truly unimportant. With the way mathematics are taught (At least in the U.S.), too much is based on knowledge and memorization rather than understanding. When we see numbers, we think... more
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Bill the Lizard: Six Visual Proofs
30 reviews • billthelizard.com
If infinity exists, can one exist? If one exists, can infinity exist? How can either infinity and/or one exist? This problem rears it's head every time something is quantified.
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Trick 1 : Smart Way to Multiply 2 Numbers - Video
Loved the simple method to typically time intensive math. Great resource for students.
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Two by Two |Futility Closet
17 reviews • futilitycloset.com
Here's a curious way to multiply two numbers. Suppose we want to multiply 97 by 23. Write each at the head of a column. Now halve the first number successively, discarding remainders, until you reach 1, and double the second number correspondingly in its own column
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Mathematics Books Online
11 reviews • sciencebooksonline.info
I like this, but it'd be nicer if it included books for school-age children, like middle school. I didn't see any there, unless I didn't look deep enough....
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United Laws of Physics Make More Accurate Predictions:...
From the page: "In the 1980s, scientists developed the fractal-Einstein and Alexander-Orbach laws to explain movement through fractal networks. But last year Roberts and Haynes discovered that the laws didn't hold up in one experiment they were doing, which... more
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How maths killed Lehman Brothers
About as lucid an exposition of the elephantine errors that, it seems, not one of the allegedly very clever (and certainly very highly paid) members of the financial classes managed to spot. But, I think there was more to it than that. I cannot believe that many of these... more
