Miscellaneous Math Videos
Why You Need Math by Neil deGrasse Tyson
That's Mathematics — Tom Lehrer
New Math — Tom Lehrer
Pi Song
White N Nerdy — Weird Al Yankovich
Bad math in the movies
More math mistakes in the movies
The Fold and Cut Theorem — Katie Steckles
Hexaflexagons — Vi Hart
Hexaflexagons Part 2 — Vi Hart
Hexaflexa-Mexagons — Vi Hart
Hexaflexagon Safety — Vi Hart