Common Math Errors on the GRE
This post was written from the collective wisdom of Manhattan Prep GRE instructors.
Quick: here’s an expression from a GRE math problem. How do you simplify it?
√214+217
A great GRE problem will often reveal math misconceptions we don’t even know we have! There are a lot of different wrong ways to simplify this expression. Try it out before you keep reading—then we’ll look at some other math myths and common mistakes, and how to avoid second-guessing on the GRE.