To prepare for Math exams or American SAT Math test, you need to be familia with all the knowledge points as well as some " tricks" to help you to do the test VERY Fast depending the big amount of questions and limited time that you can spend. I have taught SAT Math for over 10 students and I know SAT Math very well. I have summarised different skills for different types of questions. SAT Math is absolutely possible to get full marks and contribute beautiful score on your SAT exam.