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.
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/
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]