Other sites

Here are some links to math-related sites:

• Free math help - Explanation of many different math concepts.
• Helping with math - Free math worksheets for grades 3 through 7.
• SoftSchools - Free math worksheets through middle school.
• Math.com - Middle school math practice problems.
• FunMath - Free high-school math worksheets.
• 9th grade math - 9th grade math practice problems.
• Cliffs Notes on math
• Sparknotes on math
• MathWizz
  • Kutasoftware - Free algebra worksheets (14-day free trial).
  • Lesson Planet - 10-day free trial
  • Math worksheet center - Not free...
• World's hardest easy geometry problems
• Some really difficult geometry problems
  • AnalyzeMath - Lots of math lessons and problems

Specific problem areas

• Permutations and Combinations
• Absolute Value Inequalities
• More absolute value inequalities
• Even more absolute value inequalities
• Inverse trig functions
• More inverse trig functions
• Probability
• More probability questions
• Volume geometry
• Geometry word problems
• Domains and ranges
• Limits
• More limits