Hi arixing,
To start, the Quant section of the GMAT is NOT a 'math test'; it's actually a 'critical thinking test' that requires that you work through lots of little calculations as you work through it. You'll still need to have solid general math skills though, so if you'd like to work on those skills before you formally commit to a GMAT Study Plan, then I recommend that you set up an account at Khan Academy (
www.khanacademy.org). The site is completely free and makes the learning a bit more fun and 'game-like' (as opposed to the dry academic approach taken by most books). While the site is vast, you should limit your studies to basic Arithmetic, Algebra and Geometry. After spending a little time re-building those skills, you can start your GMAT studies.
Before I can offer you the specific advice that you’re looking for, it would help if you could provide a bit more information on how you've been studying and your goals:
Studies:
1) Have you done any studying for the GMAT so far (for example, did you take any Practice Tests or work on any practice questions)?
2) What study materials do you currently have access to?
Goals:
3) Does the Scholarship that you are interested in have a specific minimum GMAT Score "requirement" (for example, a 700) or do you just assume that a 700+ is required?
4) When are you planning to apply to this Master's Program?
GMAT assassins aren't born, they're made,
Rich
760+: What GMAT Assassins Do to Score at the Highest Levels