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...

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...

In this video, the teacher guides the viewers through a crossword puzzle on the topic of fractions. By solving the puzzle, viewers can learn and clarify definitions and terms related to fractions. The video is a fun and interactive way...

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...