## Working with Factors and Divisibility

One of the many GMAT math concepts that we learn in grammar school but probably don’t use very often in real life is how to work with factors. Factors are numbers that go into other numbers evenly. For example, 3 and 4 are factors of …

## Percents: More than Calculating Tips

Even if you have already learned how to accurately and quickly calculate a tip using mental math, you may still be struggling with percentage questions on the GMAT. Today we will look at three questions that test percents in different ways.   Let’s start with …

## What if I’ve Never Seen that Question Type Before?

If you have done any GMAT practice yet, you have probably realized that there is plenty of algebra and geometry on the test. Those two question types undoubtedly make up the majority of the questions, so you need to be very comfortable and efficient answering …

## Get Over Your Fear of Fractions!

If you’ve read the Assigning Values section in my book, you probably already have a good working knowledge of the fundamentals of this strategy. You will probably immediately recognize that question 198 on page 180 of the GMAT Official Guide 13th Edition is a good …