### FAST Math for the GMAT (Part 4 of 5)

*Guess what? 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.*

We’re up to part 4 of our series on Fast Math for the GMAT. If you’re seeing this for the first time, start with part 1 and work your way back here.

Let’s dive right in.

**Principle #4: Estimate…and not just when they tell you to.**

### How to Review Easy GMAT Quant Questions (And Why They’re Important)

*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.*

If you’re already comfortable with most of the Quant content (big if, but hey, let’s play the hypothetical game), then you’ll find some of the questions in the GMAT official guide book are relatively easy. Even if you’re struggling, there will be a few questions that you get right and understand without much difficulty. Let’s talk about how those can be powerful tools.

Imagine you come across this problem: Read more