There are many ways, but complete memorization of the multiplication and division facts, 0 - 12, seems necessary to me. Buy or make flashcards. They are one of the best ways to memorize anything.
http://www.how-to-study.com/
Section here called "math tips."
http://www.studygs.net/
Scroll down to the section on Math.
(Broken Link Removed)
http://www.adprima.com/studyout.htm
how to make multiplication and division easier?
1 answer