Hi Tom B.,
Hopefully, I can help out
I’m curious: how are you using these materials to prep?
For instance, you may read a few chapters before doing any GMAT problems. By this time, your grasp of the concepts may have weakened.
So when learning a concept, be sure to use Official Guide questions. For instance, if you’ve finished the
MGMAT chapter on Subject-Verb Agreement, do a number of Subject-Verb agreement problems – instead of just doing problem sets at random.
If you feel your mind is “blanking out,” describe the argument or RC passage in your own words. Drawing a blank often results when you didn’t get the argument of passage the first time around. Forcing yourself to use your own words will, over time, lead you to approach the passage differently.
Finally, mixing problem types will probably be helpful once you’ve nailed the fundamentals and need practice that simulates test day.
Speaking of which, Feb. 25h may not be to soon if you apply this approach – or any other approach that works – and you notice you are steadily improving. You definitely want to take the GMATPrep test, as is the most accurate indicator of your score (from your post, I’m assuming you are using
MGMAT tests). If that score is close enough to your target score, then definitely go for it.
Magoosh also offers another great source of problems, in which you tailor your practice so that you only receive certain types of questions. In your case this gives you the opportunity to focus on a specific question type, and, once you progress, mixing question types, and even sections, to prepare you for test day.
As an example, here is a practice question:
Practice Question