Archive for March, 2012

Friday math movie: The real meaning of MPH

Real meaning of mph
Here's an agonizing video demonstrating how we should spend more time on fundamental concepts in math class.

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Friday math movie: Calculus Rhapsody

Calculus Rhapsody
This is clever - and funny: a calculus parody of the classic Queen song, Bohemian Rhapsody.

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Friday math movie: Inspirations - animation of Escher art

Escher animation
Here's a celebration of Escher, and it includes many crucial math concepts.

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Modulus or absolute value of a complex number?

Modulus or absolute value of a complex number?
A reader challenges me to define modulus of a complex number more carefully.

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Pi Day today, 3.14

Apple Pi, for Pi Day 3/14
Pi Day has rolled around for another year. Pi Day is celebrated on 3.14 (March 14th) in math classrooms throughout the world.

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IntMath Newsletter: 3-D conics, interactives, March math

In this Newsletter:

1. Interactive 3-D conic sections graph
2. List of math interactives on IntMath.com
3. Special math events in March
4. Math Puzzles
5. Recent popular tweets
6. Friday math movies
7. Final thought: the greatest mistake

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Interactive 3-D conic sections graph

Interactive 3D conic graph
Here's a 3-D interactive graph which you can use to see how circles, ellipses, parabolas and hyperbolas result from intersecting a double cone.

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List of math interactives on IntMath.com

Math of Beauty Flash interactive
Some background on the list of math manipulatives on IntMath.com

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Friday math movie: The world’s ugliest music

math-based music
All music has a mathematical framework, but some music starts with a math concept. Here's an example.

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Full archive

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