### Why am I better at GMAT Problem Solving than Data Sufficiency?

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The next time you review a practice GMAT, pay attention to the difference between Problem Solving and Data Sufficiency. Are you missing significantly more Data Sufficiency questions than Problem Solving questions? Or are you missing an unusual number of easy DS questions? Read more

### GMAT Data Sufficiency: Follow Your Process (Part 1)

*Did you know that you can attend the first session of any of our online or in-person GMAT courses absolutely free? We’re not kidding! Check out our upcoming courses here.*

Data Sufficiency problems are fantastic because you can avoid doing lots of math calculations! Data Sufficiency problems are really annoying because they’re so tricky; it’s very easy to fall into a trap.

So how do we take advantage of the benefits of DS without falling prey to the test-writer’s tricks? Read more

### The GMAT Official Guides 2017 edition – Part 4

*Did you know that you can attend the first session of any of our online or in-person GMAT courses absolutely free? We’re not kidding! Check out our upcoming courses here.*

Welcome to the fourth installment of our series on the new Official Guides for GMAT® Review (2017 edition). If you haven’t seen the earlier installments yet, start here and work your way back to me.

I know that some people have already worked through the 2016 editions of the books and want to know which questions in the 2017 editions are the new ones. I’ve got the scoop for you! Read more

### Measure Twice, Cut Once for Success on GMAT Quant

Have you ever heard the saying “measure twice, cut once”? Read more

### Here’s Why You’re Getting Geometry Problems on GMAT Data Sufficiency Wrong

I had a student recently whose Data Sufficiency (DS) accuracy was generally very high, and whose knowledge of geometry rules was solid. And yet, she was getting almost every geometry DS question wrong on practice tests!

This is actually very common: students who are otherwise good at geometry and/or DS struggle when the two things are put together.

Here are the 3 main reasons that students miss geometry DS problems: Read more

### Taking the new mini-GMAT for EMBA? Here’s how to prep! – Part 2

Last time, we talked about the IR and Verbal sections of the new Executive Assessment (EA) exam for EMBA candidates. Today, we’re going to dive into Quant and also talk more about your overall study. Read more

### Easy Answers Are Lousy Answers on the GMAT

The number one rule in my GMAT classes is this: **we stay in control of the test, not the other way around.** Many GMAT questions have both a right answer, and *an answer they hope you’ll pick — *and those often aren’t the same! Learn to recognize the “too easy” answers that the test writers want you to pick, and stay far away from them. Read more

### Decoding Divisibility and Primes on the GMAT – Part 2

Welcome to the 2^{nd} installment of our dive into Number Properties. If you haven’t yet tried the first problem, start with the first article in the series.

Let’s dive right into our second problem from the GMATPrep® free exams: Read more

### Decoding Divisibility and Primes on the GMAT – Part 1

Most of my students are driven crazy by GMAT Number Properties. On the face of it, the topic seems straightforward: I know what positive and negative, odd and even are. Divisibility stuff is a little more complicated, but come on: this was taught in school when we were 10! How hard can it be? Read more

### Here’s What to Do When You Don’t Know What to Do on the GMAT

You’re staring at a GMAT problem that you just don’t understand. There’s a minute left on the clock. *What do you do?* Read more