Do the OG at the start of the prep or the middle

Question

This is a great site. I am new to this forum. I plan to take my test in December. I am beginning to prepare for the GMAT. I have taken a pratice test and I am weak in quant. I have read PR Cracking the GMAT to understand the format of the GMAT. 
I have two questions.
1) Is it best to start out using the OG or save it until the middle of my prep?
2) What are the best math study guides?
Thank you in advance.

Futuristic · Answer

Start with the OG. Its the bible. If you have time do it again as a refresher sometime later. It is especially beneficial if you are weak with basic math.

For math, use Kaplan (only as practice), GMATPrep, and most important, the challenges on here...complete value for money....

Hmm, if you feel your concepts are weak, take a look at the MGMAT math books....

hope this helps...

panther · Answer

Futuristic,
Thanks for the advice. It is very helpful.

kidderek · Answer

Hey panther, 

What I recommend, assuming you have the 11th edition, is to start by doing the first half of each section. Since the problems are in increasing level of difficulty, you can knock out the easy questions first, then when you're more familiar with the problems, concentrate on the medium-hard ones.

I recently finished all the quant stuff. I wanted to do it before attacking my weaksness, the verbal. Some of the earlier questions are ridiculously easy. You can go through 4-5 quant questions in less than two minutes. This situation, of course, would not happen on the real exam, so just get the easy ones out of the way, then concentrate on the harder problems.

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Do the OG at the start of the prep or the middle

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