# Flipping the Sign to Inequalities

- Dec 6, 09:23 AM   Comments [0]

Inequalities on the GMAT should be approached in the same way as regular equations. We can manipulate inequalities the same way that you can manipulate equations. As with equations on the GMAT, you first must simplify the equation in order to answer the...

# Data Sufficiency: Before you pick C…

- Nov 15, 09:00 AM   Comments [1]

To succeed on the GMAT, there is a general rule of Algebra that you should know: to solve for all variables in a system of equations, you need as many distinct linear equations as variables. So if you get 2 variables, you need two...

# Data Sufficiency 101

- Oct 9, 09:00 AM   Comments [0]

In every class I teach, the reaction students have when they first encounter a data sufficiency problem is always the same. They are unsure of the correct approach, but feel they could do much better on such a problem if they had a firm...

# GMAT Math: You always have a choice

- Oct 1, 12:00 PM   Comments [0]

In every GMAT class I teach for Kaplan, I am always asked the same questions on the first day. “How am I supposed to handle data sufficiency questions?” “I have not done math in five (or ten or twenty) years, will I be ok...

# The Two Most Common Errors in Data Sufficiency

- Sep 29, 12:00 PM   Comments [0]

GMAT data sufficiency questions test your ability to analyze a quantitative problem and recognize which information is necessary to figure out the solution. What a data sufficiency question does NOT test you on is your ability to calculate and number-crunch. A simpler way...

# Eliminating on Data Sufficiency

- Sep 8, 04:00 AM   Comments [0]

Data Sufficiency can be a major obstacle for any GMAT student, but one advantage that you have against this infamous question type is that every Data Sufficiency question has the same answer choices. One of the first steps towards success on the GMAT Quantitative...

# Know when to hold ‘em: Pacing on Data Sufficiency

- Sep 1, 04:00 AM   Comments [0]

Over these past few months of posting blogs on BTG, you’ve probably noticed that I like to associate important GMAT concepts with common situations. Well, with regards to pacing on data sufficiency questions, the best way to approach them is to know the material...