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Inequalities on the GMAT should be approached in the same way as regular equations. We can manipulate inequalities the same way that you can manipulate equations. As with equations on…
Posts tagged as “gmat math”
To succeed on the GMAT, there is a general rule of Algebra that you should know: to solve for all variables in a system of equations, you need as many…
You might remember back in the day in Algebra class that you learned how to work with systems of linear equations. These are problems when you have multiple equations and…
Basic math content knowledge, such as the formula for the area of a triangle or the equation for calculating an average, is often the wolf in sheep’s clothing on the…
Before students begin studying for the GMAT - before they even know anything about it beyond that it tests math and verbal - one question type worries students more than…
1,960 = 49 x 16 x y. What is the value of y? When most testtakers encounter problems such as the one above, they have a predictable, yet incorrect, reaction.…
The key to ratio problems on the GMAT is to remember all of the different ways a ratio can be written. Most students are used to seeing ratios denoted by…
If you have a limited amount of time to study, you are probably unsure of how to divide your time between the math and verbal sections. In determining how to…
Remember how to find the volume of a cylinder? It's okay most people don't; grade school was a long time ago! Knewton teacher Cole Entress helps you refresh your memory.…
David Yourdon is a Content Developer at Knewton. He specializes in finding the underlying structure of GMAT math problems. A few weeks back, I wrote a post that discussed Dan…