Strengthen your coordinate geometry skills with this introductory lesson. Learn how to plot points on the coordinate plane, calculate slope, and think intuitively about problems in coordinate geometry.
Learn to multiply numbers up to 100 in a faster, more intuitive manner than how you were taught in school. Useful for the GMAT Quant section or any time you don't have a calculator handy.
Learn the key exponent rules you'll need to attack several questions on the GMAT Quant section.
Learn how to handle GMAT Overlapping Sets questions.
Learn the difference between mean and median, how they relate to one another, and how this knowledge will help you improve your GMAT score.
Use a bit of (simple!) algebra to multiply by 9 faster.
Learn how to manipulate expressions with absolute value signs.
When preparing for the GMAT, you can follow this advice and get more value out of your practice time.
Learn a couple of simple tricks to do arithmetic faster and more accurately without a calculator.
Learn about the different types of questions that follow GMAT Reading Comprehension passages.
When you take the GMAT, you're on the clock. Learn how to get through the test in the allotted time while maximizing your score.
Not all Sentence Correction errors are created equal. Learn which ones are the most important in determining the correct answer.
Learn how to find the complete prime factorization of any number.
Learn the relationship between a circle and an inscribed (or circumscribed) equilateral triangle.
Learn how to find the Least Common Multiple of two integers. It's an important building block for many number properties questions on the GMAT.
Learn how to work through a GMAT Reading Comprehension passage more quickly without missing any of the key points.
GMAT author Jeff Sackmann explains the workings of the GMAT Computer Adaptive test.