Test your knowledge of taxicab geometry, triangular numbers, the golden ratio and more.

Math isn’t just about numbers it’s full of strange patterns, paradoxes, and facts that feel more like magic than mathematics.

Tina Fey and Lindsay Lohan. | Kevin Winter/GettyImages Fey chose to play a math teacher in an attempt to counteract the stereotype that girls can’t do math, she told The New York Times back in 2004.