Purple Math--An online resource to help you remember how to do simple problems along with tutorials on how to complete complex problems. When on the site, go to "how do I really do this stuff?"
KHANACADEMY.org -- This website is filled with videos that explains aglebra, calculus and many other math concepts. There are also practice problems that can help test your knowledge on the subject.
wolframalpha.com -- This website can help you check your derivatives and other math problems to see what answer you should get. It also can give you step by step instructions on how to do a problem.
Tips in the Classroom:
SHOW UP FOR CLASS!-- Math is a hard subject to teach yourself. You will get a better understanding of it if you go to class.
TAKE ORGANIZED NOTES-- make sure you know what you are writing down and how to do it.
ASK QUESTIONS-- If you get stuck, do not wait to figure it out! Ask the professor or a tutor.
Study Practices:
Do the homework before class so that you can ask questions in class if you have trouble.
NEVER GIVE UP!-- ask for help if you need it
Take a break if you get stuck. Sometimes looking at a problem with fresh eyes can help you understand it better.