how do i prepare for the writing section of the sats?

There are many websites in here that will help you:

http://www.google.com/search?q=writing+sat+essay&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a

And these explain how these essays are scored:
http://blog.eprep.com/2006/11/09/how-your-sat-essay-is-scored
and
http://blog.eprep.com/2007/09/14/sat-essay-rubric-video-1-of-5

thanks, but i was talking about the writing MC section, not the essay

Preparing for the writing section of the SATs is crucial to achieving a high score. Here are some steps you can follow to help you effectively prepare:

1. Familiarize yourself with the test format: Start by understanding the structure and types of questions in the writing section. It consists of multiple-choice questions and an optional essay.

2. Review grammar and punctuation rules: Brush up on essential grammar concepts such as subject-verb agreement, parallelism, pronoun usage, punctuation, and sentence structure. Practice identifying errors in sample sentences or passages.

3. Expand your vocabulary: Enhance your vocabulary by learning new words and their meanings. This will help you with sentence completion questions and improve the overall quality of your written responses.

4. Read extensively: Read a variety of texts, including fiction, non-fiction, news articles, and essays. This will expose you to different writing styles, help you understand complex arguments, and improve your comprehension skills.

5. Practice timed writing: Set aside time to practice writing essays within the time constraints of the SAT. Focus on developing a clear thesis statement, organizing your ideas logically, and providing strong supporting evidence.

6. Analyze sample essays and passages: Study and analyze sample essays to understand how they are structured, how themes are developed, and how arguments are presented. Pay attention to the introduction, body paragraphs, and conclusion.

7. Get feedback: Seek feedback from your teachers, tutors, or peers on your practice essays. Their insights can help you identify areas for improvement and refine your writing style.

8. Utilize official study materials: Take advantage of official SAT study materials offered by the College Board. These resources provide practice questions, sample essays, and helpful tips specific to the SAT writing section.

9. Take practice tests: Regularly take full-length practice tests under timed conditions to simulate the actual test environment. This will help you become comfortable with the format and improve your time management skills.

10. Reflect and learn from mistakes: After each practice test or essay, review your mistakes and identify areas where you struggled. Focus on improving those specific areas in your subsequent preparation.

Remember, consistent practice and exposure to different writing styles are keys to success in the writing section of the SATs. Good luck!