Instructional Video2:51
Curated Video

GENIUS TRICK - Convert Decimal Numbers To Binary (Base 2)

6th - 11th
This video gives a method to convert decimal numbers to binary numbers quickly. This is a variation of the remainder system that is typically taught in courses. I like this method because it gives the answer in the correct order from...
Instructional Video7:55
Curated Video

Divide By 19 In Your Head - Amazing Mental Math Trick

6th - 11th
Can you calculate 4/19 in your head? This video teaches a simple method to calculate the decimal expansion when dividing by 19. The video also includes a proof of why the method works. I have seen this method taught as part of Vedic...
Instructional Video55:48
World Science Festival

The Mathemagician

6th - 11th
In this highly entertaining performance combining math with magic, Arthur Benjamin—aka, the the "Mathemagician"—displays amazing feats of mental mathematical gymnastics and explains the secrets behind his lightning-fast math skills. How...