I think this video is interesting but misses the point which is that numbers are patterns, and that perceiving the patterns is a secret to being able to manipulate them most efficiently. In other words, geometry, structure, form, is more primary than the abstractions we call numbers.
One day on YouTube, Alex Bellos saw a video of an amazing mathematical “trick”. He wanted to know more about this ‘Vedic Mathematics’, so he got on a plane …