GRE Quantitative Reasoning — Overview, Tips and Practice Questions

This site area provides information about the structure and design of the GRE Quantitative Reasoning sections. For each of the four basic Quantitative question formats this site area also provides helpful test-taking tips and a variety of GRE-style practice questions.

Widely recommended for GRE prep:

GRE bookGRE book    Official Guide to the GRE revised General Test
Educational Testing Service

GRE prep from ETS—the people who make the exam. The book provides vital testing information, sample questions, test-taking tips, full-length GRE exams (on CD), and more. [Kindle edition]