July 18, 2015
This section is here to prevent you from making mistakes on the exam. GMAT Decimals will help you with estimation when searching for answer choices and help with timing by finding easier paths to the solution.
First things First: Make flashcards of the following and memorize them!
Ahem! Seriously. Go make Flash Cards!
The only numbers you do not really have to know are the fractions with 7 as a denominator, but might as well be safe.
Why are you memorizing all of these fractions?...