February 3, 2012: How would you solve the system of linear equations below?
x – y = 5
2x + y = 13
There are two primary approaches for solving systems of linear equations:
1) ...

When it comes to tackling GMAT math questions, one of the best tips I can offer is this: The GMAT test-makers are reasonable people who have little interest in your computational skills.
Granted, this doesn’t sound like a very mathematical...

In my last article, I suggested that you can seriously undermine your GMAT preparation if you focus on timing too early in your studies. In that article, I dealt solely with timing as it pertains to the quantitative section of the GMAT. ...

It doesn’t take long for students to become keenly aware of the GMAT's time constraints. Given sufficient time, you’d answer a lot more questions correctly, but when you have approximately 2 minutes for each question, the test becomes...

May 23, 2011: Welcome to the fourth installment of videos devoted to Double Matrix questions.
What’s a Double Matrix question?
For those who missed the first article in this series, a Double Matrix question (also known as an Overlapping...

May 16, 2011: International Double Matrix month is half over. Have you become an expert at solving Double Matrix questions yet?
What’s a Double Matrix question?
For those who missed the first article in this series, a Double Matrix...

May 9, 2011: It’s International Double Matrix month, and as tradition has it, the 9th day is devoted to questions involving students taking or not taking certain subjects. So, in celebration, here’s a question along with a video solution...

In honor of International Double Matrix month, I thought I’d post some random Double Matrix questions with video solutions. These questions are very popular on the GMAT, so if you want a solid score, you’ll have to master them.
What’s a...

So, how is junior girls volleyball related to doing well on the GMAT?
I’ll let you decide.
Several years ago, I took a teaching position at a private school in Victoria, Canada. In addition to performing my regular teaching duties, I was...