Do you know why numbers have their shapes?

nope, this is why theyre shaped like that

This is made-up bullshit

Nonsense and if this guy is a lecturer, he should be fired.

Dang tell your teacher to sit the fuck down!!!!

Thank you Muslims for the Arabic numerals 0123456789

They don’t teach phonics or spelling skills any more.

Thanks to the Muslims for the numbers

Because we would have wasted 300 years doing all those extra angles

I figured it out on my own, but only because I couldn't add and had to count

Yeah, no.

What happens when you get to 11 , 12 , 13 etc

That’s not beneficial knowledge That’s jeopardy knowledge

Untrue. Derived from Indian/Arabic numbers which don't follow this rule.

Prof. Scott makes shit up

This is retarded bullshit. Good i hope he's not a professor.