<p>Math- Grubers (I boosted from 690 to 800’s on BB Practice)
CR- Grammatrix or Rocket Review, they have plenty of strategies, I picked the one that was best for me. (500’s to mid 700’s)
Writing- Sparknotes was enough for me (mid 600’s to mid 700’s).</p>
<p>I prepared in three months. I also had the BB and the Online Course on hand.</p>
<p>General solution: Take practice test after practice test and analyze your mistakes carefully, absorb the insight and thinking methods. it is a long process, but it can be done. </p>
<p>Some particular advice:</p>
<p>For CR, I recommend taking an infinite amount of time for each section before timing yourself. Why test yourself on time when you need to gain the skills first? First gain the reasoning skills, then apply them to the test of time. </p>
<p>Math - Same as CR? I never had trouble with math so im not sure</p>
<p>Writing - Test, review, learn, test again. In one month you can gain 300 pts like I did. </p>
<p>I don’t think all those books are necessary. Just the Collegeboard one</p>