Take notes in outline form, not in paragraph form. Use some type of notebook to keep notes together and in order.
Write problems along with the solutions.
Do not copy every example done in class. Sit back and focus on the process.
Record page numbers and problem numbers of examples done from the textbook to help you coordinate your notes with the textbook.
Leave space for future comments or corrections. If is useful to write only on the left side of the notebook page, and leave the right side for future comments, correction or explanations.
Rewrite your notes to help you review and organize the information.
Use an index card to record formulas and procedures that should be memorized. Review these often.
Review your notes often.