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Archive | Basics

GMAT Math: How to Divide by a Square Root

A lot of students prepping for GMAT Quant, especially those GMAT students away from math for a long time, get lost when trying to divide by a square root. However, dividing by square roots is not something that should intimidate you. With a short refresher course, you’ll be able to divide by square roots in […]

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GMAT Quant: Rates and Ratios

What are rates and ratios? How do rate and ratios problems differ? Hint: Not that much. Original photo by Pierre Rougier In fact, rates are just ratios in disguise. Here are a four GMAT practice problems exploring rates and ratios.  Remember: no calculator! Rates and Ratios Practice Problems 1) Someone on a skateboard is traveling 12 miles […]

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GMAT Tuesdays: Math Strategy – Backsolving

Ready to be excellent to the universe? I know Kevin is! 😀 Today, Kevin turns his gaze on one of the fundamental math strategies for the GMAT—backsolving. Understanding this approach will help you to avoid solving lengthy algebraic equations. Dive in to learn about backsolving so you can start applying it to your preparation. This […]

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