Master the GMAT: GMAT Quantitative Section, part of Peterson's Master the GMAT, offers a step-by-step approach to handlling and successfully tackling all Problem-Solving and Data Sufficiency and Analysis questions on the GMAT. If you need additional math review for the GMAT, you'll find it here with math review chapters on Number Forms, Relationships, and Sets; Number Theory and Algebra; and Geometry. Practice questions abound-all with detailed answer explanations. In addition, there are expert test-taking tips to help you better prepare for the GMAT's Quantitative Section.