Check out my YouTube Channel for easy to understand explanations on a variety of topics! If there is something you'd like to see that's not there, leave a request on the discussion page of my channel.
Here are some of my favorite websites where you will find many useful tools to practice your math skills.
College Preparatory Mathematics
Mathematics Vision Project
Math Worksheets 4 Kids
Redwood Elementary Algebra
Redwood Intermediate Algebra
Redwood Algebra and Trigonometry I
Redwood Algebra and Trigonometry II
STEM: Preparing for the STEM Math Olympiad