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Mathematics

General Math

How Many: Dictionary units of measure.

Dr. Math:Have a math question? Ask Dr. Math!

Hot Math: General math help website

Academic Info: A directory to math sites for the secondary and college students.

Ms. Harrington's website: A collection of PowerPoint presentations for various levels of math classes.

Algebra

Beginning Algebra Help: Virtual Math Lab at Texas A M University tutorials; clear and really helpful

Common Algebra Mistakes: Help that shows the mistake and the correction

Linear Algebra Toolkit: A collection of interactive modules designed to help students "learn and practice a basic linear algebra procedure, such as Gauss-Jordan reduction, calculating the determinant, or checking for linear independence."

Webmath: "This site has over 100 instant-answer, self-help, math solvers, ready to help you get your math problem solved." Includes everyday calculations, addition, subtraction, multiplication, division, fractions, decimals, ratios, proportions, geometry, algebra, trigonometry, calculus, and scientific notation.

Geometry

Pythagorean Puzzle: Proving and having fun with the Pythagorean Theorem.

Math in Daily Life: This site shows how math helps us in our daily lives. It demonstrates math concepts such as probability, compounding, growth, geometry, and relationships in situations such as gambling, savings and investing, population growth, home decorating, and cooking

Origami Mathematics: Information on the mathematics of paper-folding, including the geometry and origami axioms formulated by Italian-Japanese mathematician Humiaki Huzita.