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 […]

# Archive | Basics

## Matemática GMAT: Decimais Exatos e Periódicos

Decimais exatos e periódicos parecem ser um grande tema nos GMAT mais recentes como nunca antes. Revise nossas dicas para melhorar suas habilidades!

## Matemáticas para el GMAT: decimales periódicos y exactos

Los decimales exactos y periódicos parecen ser un tema cada vez más importante en el GMAC. ¡Mira estos consejos para mejorar tus habilidades!

## Matemática GMAT: Como Dividir por Uma Raíz Quadrada

Muitos estudantes de GMAT ficam perdidos tentando dividir raízes quadradas. Mike mostra como resolvê-las!

## Matemáticas para el GMAT: cómo dividir por una raíz cuadrada

Muchos estudiantes del GMAT se pierden al tratar de dividir por una raíz cuadrada. ¡Mike te enseña cómo resolverlo!

## 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 […]

## 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 […]

## GMAT Tuesdays: Math Strategy – Halving and Doubling

What is Tuesday without GMAT Tuesdays? That’s right! Not a Tuesday! This week Kevin covers a useful strategy for multiplying that will save you time and energy on test day. We all know that we don’t get a calculator on the GMAT, so we have to better understand what we are doing when we multiply […]

## GMAT Practice Problems on Motion

Here are five practice questions. Remember: no calculator. 1) A car, moving at a constant speed, covers 100 m in 5 seconds. What is the car’s speed in km/hr? (1 km = 1000 m) (A) 20 km/hr (B) 54 km/hr (C) 60 km/hr (D) 72 km/hr (E) 90 km/hr 2) Frank and Georgia started […]

## Practice Problems on Powers and Roots

Here are ten reasonably challenging problems on powers and roots. Solutions follow the problems. Remember, no calculator! Statement #1: x < 1 Statement #2: x > –1 4 8 14 28 42 5) If A is an integer, what is the value of A? 11 30 45 75 225 Powers & roots This is […]