Here are some tips in get good score in Mathematics.
1) Mathematics is not a Language subjects.So dont just read it,Practice it. When you are looking at the derivation or theroem,try to understand it. If you understand the theorem and derivation, Solving the question would be very quick for you.
2. When doing your math homework, be neat. It does make a difference. Good writing always pays
3. Much of your score is based on the intermediate steps in getting to the answer. So show all your work. If the final answer is even wrong,you will get some marks for your positive attitude