The GMAT quant section of Austin GMAT Review's course begins with a 6-hour Math Foundations class. The class covers fundamental arithmetic and algebra to allow you to brush up on math basics and prepare you for the more advanced GMAT math topics.
Just for fun, take the 10-minute self-assessment quiz below. As on the GMAT, you may use a pencil and paper but not a calculator.
Good luck on your quiz! The answer sheet is at the end.