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Math Forum: Ask Dr. Math
[ Kids/Teens/Mature Teens ] - A question and answer service for all school levels, with a searchable archive and FAQ. http://mathforum.org/dr.math/
[ Teens/Mature Teens ] - Provides games, activities, lessons, calculators for students studying algebra, geometry, calculus, or trigonometry including a daily problem.
[ Kids/Teens ] - Worksheets allow for practice with arithmetic, algebra, and geometry. Includes answers. Also, has some general formulas and tutorials.
[ Teens/Mature Teens ] - My Math Man gives free algebra and geometry 2-3 minutes audio video lessons from textbooks you use in class with interactive practice.
[ Teens/Mature Teens ] - Offers help with algebra, geometry, calculus, fractions, money, and trigonometry problems. Includes worked examples and files for download with more information and exercises.