http://mrnussbaum.com/probfair-play/
Factoring Polynomials
Practice your long division while playing who wants to be a millionaire. Grab your pencil and paper, because you will get some tough ones!
Practice identifying ordered pairs on a coordinate plane.
Practice solving proportions with a time limit.
The more proportions you solve by fishing method or cross product the faster you go, thus winning the race.
The more equivalent fractions/ratios you get correct, the more speed you get to win.