There is only One True Parabola

### Danica McKellar Demystifies Pi for Us + Awesome Pi Song! [Video]

The Pi Episode: Math Bites with Danica McKellar. This would be a great video to show on Pi Day. It is about 6 minutes long and entertaining and it also stars Winnie Cooper (I mean Danica McKellar). Make Middle School Math Pi Day an event at your school.

More discussions of mathematical humor at http://www.naturalmath.com/tag/humor/

I don't teach high school math but I watched this entire video and wanted to sit through the rest of his class. He is awesome!! Algebra 2 - Exponents

Create●Teach●Share: Lattice Multiplcation

### 12 Mind Blowing Number Systems From Other Languages

Math through language and history! 12 world languages that use weird units for numbers: BUKIYIP, bases 3 and 4 together; SUPYIRE, numbers built from 1, 5, 10, 20, 80, AND 400; TRADITIONAL WELSH, base 20 with a pivot at 15, and so on. #Ethnomathematics More on #NaturalMultiplication at http://www.moebiusnoodles.com/tag/multiplication/

### Fast Algebra Techniques

At some point a #math student needs to move from learning #algebra to doing algebra. Many techniques that students learn are designed to facilitate a person's understanding and remembrance of algebra

Tweet Tweet Math is not everyone’s cup of tea, but learning new math shortcuts can be a lot of fun. There are many of them to learn. This infographic happens to cover 6 math shortcuts: [via: Center of Math]

Discovering the Art of Mathematics Program that intetrates math instruction into liberal arts hands on learning.