Hi There,
Let me give you a quick background about myself so you can better assist me. I am currently a junior in college and I am majoring in math. I have always been good at the subject and I feel that I have mastered the various concepts+methods+techniques that the GMAT quant section tests at some point or the other within the last 8 years or so. Of course, the kind of math that a student learns at the college level is very different from the middle/high school level and I have forgotten quite a few of these techniques simply due to a lack of practice. I realized that I had forgotten these techniques when I took my first MGMAT CAT a week ago and scored a disappointing 36 on the Quant section. As I reviewed the questions and answers in the answer key following this dismal performance, I realized that I did not lack knowledge of any of the mathematical concepts tested in the GMAT (or at least in that particular test). As I read through the various solutions put forward by the solution key, I understood these methods and approaches perfectly and never did I have to stop and learn how to apply a certain method or find out why the book was adopting the process it adopted for that particular answer. It was one of those moments where you want to slap yourself in the forehead because the solution was so obvious and you couldn't believe you forgot how to solve it. However, the fact is that I did forget how to solve it even though I understand how to apply the method perfectly when reminded of it.
Following this test+review, I decided that the best way to spend my time preparing for the GMAT would be to read through every MGMAT math book and complete them. By complete, I mean read through the entire book and make notes of all the forgotten concepts (flash cards, etc.,), complete the problems at the end of every section and review the solutions and explanations given by the book for both the wrong as well as right answers and finally, complete and review the OG problems in the appendix of the MGMAT books in the same manner as above. I started doing this last week and so far I have completed the Algebra and Number properties books. It has taken me an average of about 6-8 hours to complete each book in the fashion outlined above. I feel that I have done a thorough job of reading and understanding these books and I am about to advance to the next math book.
So here lies my question. For a person who has always been good in math but who has forgotten the concepts learnt in middle school, how do you suggest he study for the GMAT. Do you think I am taking the right approach? Also, I have heard of people taking considerably longer than 5 hours to finish these MGMAT math books. As a result, I keep doubting whether I "properly" understood and completed the book since it only took me about 5-8 hours, even though I followed the "complete" process that I outlined above. Is it common for people who are good at math (math/engineering/comp sci majors) and who just require a revision of the forgotten concepts to finish these books rather quickly? If so, how long would you estimate the total quant preparation time period to be for these folks? My goal is to score about a 740 so I need to increase my quant score from 36 to the 48-50 range. Lastly, after I complete all of the books, what should I do to further work on the quant section (remember that I will have completed all of the OG problems listed on the appendices of these books)?
I do realized that I haven't spoken about my verbal scores yet but I will do that as soon as I figure out how to improve my quants.
Thanks for your help.