GMAC always puts numerical answers in ascending or descending order on the GMAT. Consequently, there is often an optimal approach to testing answers. Students often ask where they should start when …

## Main Content

## Math Facts 2 – FDP Equivalents

## Unofficial Guide 2016 PS 160

I'm going to do a number of these posts. You can think of them as commentary on the 2016 Official Guide for GMAT Review. I'm going to use the abbreviations PS, DS, RC, CR, and SC for Problems Solving, …

## Math Facts 1 – Squares, Roots, and Powers of Primes

This is an interactive set of flashcards testing your knowledge of perfect squares, square roots of perfect squares, powers of primes, and a few other important facts that successful GMAT students …

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## Exponents and Roots Quiz

This is a set of GMAT PS and DS problems concerning exponents and roots. If you struggle with these problems then you might want to take a content quiz on the fundamentals of exponents and roots. You …

## Grammar 101.1

This will be the first in a series of posts that will cover the basics of English grammar, usage, mechanics, and idiom. The idea is to give you a foundation to build on as well as the vocabulary you …