My favorite math jokes:

“There are three types of mathematicians, those who can count and those who can’t.” Unknown Mathematician

“For every complex problem there is an answer that is clear, simple, and wrong.” – H. L. Mencken

“There are only 10 types of people in the world: those who understand binary, and those who don’t.” Unknown decimal expert

“Mathematics is made of 50 percent formulas, 50 percent proofs, and 50 percent imagination.” – Unknown author

“Mathematics is the art of giving the same name to different things.” – J. H. Poincare

“A tragedy of mathematics is a beautiful conjecture ruined by an ugly fact. .” – Unknown author

“In mathematics, you don’t understand things. You just get used to them.” — Johann von Neumann

What is a math joke? Here the definition goes:

http://en.wikipedia.org/wiki/Mathematical_joke

Funny math questions:

Dueling Idiots Problem

A lady attempts to avoid revealing her real age

How much do numbers cost?

More funny question are at Funny Math .