GRE Quantitative Comparison Strategy: Manipulate the Quantities
There’s no doubt that GRE quantitative comparison questions present a unique way of thinking about math. For most students, they’ve never had to answer questions like this before. As such, QC’s can take some getting used to — and indeed, it’s easy to make careless errors or overlook common traps the test makers like to […]
Sequence Basics (and a hard GRE OG question explained)
I assign most of the problems in The Official Guide to the GRE, 3rd ed. as homework for my comprehensive online GRE prep courses. While the book does provide answer explanations for many of them, they aren’t always clear and often take a more traditional mathematical approach than what is necessary (they don’t employ the […]





