The following websites may help answer some of your questions or give you more information on some of the topics that we cover.
Algebra.help
edHelper.com
Khan Academy (Videos for many different courses including Math, Physics and Chemistry)
Martensmath Videos (Search for Foundations 11 for different Math 11 topics and Pre-Calculus 11 for its topics)
Mathematics 10 Tutorials (Covers all chapters in the textbook)
Math Warehouse
Mathworld
NSCC Math Videos (Many different Math 12 topics covered)
Paul's Online Math Notes
Purplemath
Webmath.com