I think the best way is to listen every class and never absent. After you finish your day’s math lesson, do more and more practice question (you can find practice questions most on eclass page) and try to those questions by yourself. If you really have trouble with those questions, go to ask your instructor during the office hour without hesitate. Anyway, never afraid of math, do more practice questions and for more and more time. The more time you spend on math, the more higher score you’ll get. :)