Archive for September, 2011

Friday math movie: Intel Schools of Distinction winner

29 September 2011

Intel Schools of Distinction
These schools have been recognized for their contributions to math education. There’s some good ideas here worth emulating.

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IntMath Newsletter: Length of a curve, resources, 1000 posts

21 September 2011

In this Newsletter:

1. Length of an Archimedean Spiral
2. 1000 blog posts. What’s next?
3. Resources
4. Poll results
5. Puzzle
6. Friday math movies
7. Final thought: Secret of getting ahead

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Length of an Archimedean Spiral

21 September 2011

Watch spring - Archimedean Spiral
A reader poses a interesting question about how to find the length of an Archimedean Spiral.

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Friday math movie: The math of sound, frequency and pitch

16 September 2011

Math of music
Vi Hart gives us an enthusiastic overview of how music and math relate.

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1000 blog posts. What’s next?

12 September 2011

1000 articles
This blog has passed a key milestone – 1000 articles!

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Friday math movie: A robot that flies like a bird

9 September 2011

A robot that flies likes a birdBuilding a robot that flies like a bird is no mean feat – but these guys have done it.

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IntMath Newsletter: Golden spiral, $0 math e-books, CDF format

5 September 2011

In this Newsletter:

1. Golden Spiral
2. Math e-Books for $0
3. 13 yr-old designs efficient solar collectors using Fibonacci and trees
4. Wolfram’s new Computable Document Format
5. Math Puzzle: Solution and new one
6. Friday math movies
7. Final thought: Powerful weapon

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Golden Spiral

4 September 2011

fern spiral
Golden Spirals involve a lot of interesting math, from exponential curves to polar coordinates, tangents to a curve and approximating curves.

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Friday math movie: Miss USA 2011 – Should math be taught in schools?

2 September 2011

Should math be taught in schools?This is hilarious – or very disturbing – depending on your point of view.

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13 yr-old designs efficient solar collectors using Fibonacci sequence and trees

1 September 2011

Tree based solar collector
Here’s a useful discovery by a 13 yr-old, using math and good observation skills.

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