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mpc21
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Wow! You deserve my admiration for formatting the post so well - that's your first post too! You even figured out the bullets. Bravo!
It is a pleasure to reply to a beautiful post like that.

680 is a great score to start. The materials you are using are likely what's missing and what the problem is. It is not you. OG is just a bunch of questions so it teaches you nothing (deadweight). Kaplan book maxes out at 650 (it is like a Jetta, not a sports car), and finally MGMAT advanced Quant is like aviation 100 Octane fuel - toxic and volatile. You mix those three together, I am surprised you walked away with a 680.

You can do a few things but the way I see it, you need to bump your quant and protect your Verbal.
Based on the GMAT Score Grid You need to get your Q to 48/49. And if you can bump your Verbal 2 points to V42, you will have yourself a cool 750 or 760. Getting 70 points is doable but it does require brushing up your math and getting up to speed with all those things you have forgotten and may not like but business school requires you to pay for the sins of your youth and its currency are sweat and pain. I hope you knew that ;-)

So, to bump your Quant Score, I would suggest either getting the MGMAT Books or taking a Quant-focused course such as TTP or EMPOWERgmat. Both are available on a monthly subscription basis and are under $100/mo. Depends if you prefer online instruction or books. You can also consider getting the MGMAT Math Foundations if you feel you will need some extra help brushing up. However, the MGMAT Bundle is not for the meek - it is 9 books and close to 1,500 pages - you may need that firepower for Verbal but you will need it for quant.

P.S. Don't do ANYTHING new on the test that you have not done on your practice test. The test day should NOT be the time you try new drugs, new snacks, new shoes or a new morning routine. Your test day should be the most boring day of your life. You should explore nothing and try nothing - just do what you have been practicing. Otherwise, what's the point of practice? :cool:


P.S. You are very close. You are young too so you can study quick, absorb fast, and retain a lot! That's enviable to many of us. Good Luck!
And thanks again for taking your time to format the post and spell out the details.
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Hi mpc21,

I’m glad you reached out, and I’m happy to help.

So the good news is that that a 680 is a great start! That said, it’s clear that math is really dragging down your score, so if you are able to improve your quant skills, you can get one heck of a GMAT score.

So regarding HOW to improve your GMAT quant skills, moving forward, you should take a structured and linear approach to your prep, so that you can individually learn each GMAT quant topic and practice each topic until you’ve gained mastery. By learning in such a way, you can ensure that you are methodically improving your GMAT quant skills and ensure that no stone is left unturned. Let me expand on this idea further.

Let’s say you are learning about Number Properties. First, you should develop as much conceptual knowledge about Number Properties as possible. In other words, your goal will be to completely understand properties of factorials, perfect squares, quadratic patterns, LCM, GCF, units digit patterns, divisibility, and remainders, to name a few concepts. After carefully reviewing the conceptual underpinnings of how to answer Number Properties questions, practice by answering 50 or more questions just from Number Properties. When you do dozens of questions of the same type one after the other, you learn just what it takes to get questions of that type correct consistently. If you aren't getting close to 90 percent of questions of a certain type correct, go back and seek to better understand how that type of question works, and then do more questions of that type until you get to around at least 90 percent accuracy in your training. If you get 100 percent of some sets correct, even better. Number Properties is just one example; follow this process for all quant topics.

When you are working on learning to answer questions of a particular type, start off taking your time, and then seek to speed up as you get more comfortable answering questions of that type. As you do such practice, do a thorough analysis of each question that you don't get right. If you got a remainder question wrong, ask yourself why. Did you make a careless mistake? Did you not properly apply the remainder formula? Was there a concept you did not understand in the question? By carefully analyzing your mistakes, you will be able to efficiently fix your weaknesses and in turn improve your GMAT quant skills.

So, work on accuracy and generally finding correct answers, work on specific weaker areas one by one to make them strong areas, and when you take a practice GMAT or the real thing, take all the time per question available to do your absolute best to get right answers consistently. The GMAT is essentially a game of seeing how many right answers you can get in the time allotted. Approach the test with that conception in mind, and focus intently on the question in front of you with one goal in mind: getting a CORRECT answer.

To study in this way, you may need some new quant materials and, as already has been mentioned, Target Test Prep could be a great resource for you. We are the top-rated quant course here on GMAT Club and offer a full-access 5-day trial. If you have any questions regarding the course, feel free to reach out to me directly.

Also, you may find it helpful to read this article about How To Increase Your GMAT Quant Score.

Good luck!
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mpc21
I also took Adderall before both tests, which I don’t usually take, and I’m wondering if that element tanked my quant score in some sort of moral retribution or because it made me hyperaware, I don’t know.
It's a good bet that the Adderall affected your performance negatively.

If I recall correctly, in one case, Adderall seemed to block a person with whom I was working from doing the type of creative thinking necessary for answering harder GMAT questions.

Anyway, regardless of whether Adderall really had that effect on that person, or on you, it stands to reason that suddenly changing the dynamics of your neurology to a state that you are not accustomed to could throw you off and have a significant deleterious effect on your performance.
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