Algebra

4Tests.com
http://www.4tests.com/
Online practice test site for SAT, GED, and Windows 2000 Professional includes math tests. Free, but you must register to use.

Algebrahelp.com
http://www.algebrahelp.com/
An assortment of lessons, calculators, and worksheets designed to help students and teachers.

Common Errors In Undergraduate Mathematics
http://math.vanderbilt.edu/%7Eschectex/commerrs/

Cornell Theory Center: Mathematics
http://www.cac.cornell.edu/Education/SAGE.aspx
Large directory of math links on the web by subject.

Dan’s Math @ Home Lessons
http://home.earthlink.net/%7Edjbach/lessons.html
Asite dedicated to understanding all levels of mathematics from Arithmetic through Calculus.

Glossary of Mathematical Mistakes
http://www.mathmistakes.com/
Essays on math mistakes made by the media, advertisers, and “non-math people.”

Innumeracy.com
http://www.innumeracy.com/
Links to articles about numeracy and critical thinking. (Not associated with author John Allen Paulos.)

Math Forum Home Page
http://mathforum.org/
Math resources from Drexel University. Includes links to other math sites, and a question and answer format of problems and formulas in the Ask Dr. Math section: http://mathforum.org/dr.math/

Math Nerds
http://www.mathnerds.com/mathnerds/
provides free, discovery-based, mathematical guidance

Mathworld: Eric Weisstein’s World of Mathematics
http://mathworld.wolfram.com/
Interactive mathematics encyclopedia arranged by subject.

Paul’s Online Math Tutorials and Notes
http://tutorial.math.lamar.edu/

Professor Freedman’s Math Help
http://www.mathpower.com/
Includes ways to reduce math anxiety and study skills tips for math.

Spreadsheet Page
http://spreadsheetpage.com/
Tips for using Excel.

Statistics

Statistics Every Writer Should Know
http://nilesonline.com/stats/
Basic lessons on mean, median, percents, standard deviation, and data analysis.

A Guide to Statistics put out by StatSoft
http://www.statsoft.com/textbook/

An Introduction to Statistics from the Goddard Institute for Space Studies
http://icp.giss.nasa.gov/education/statistics/

Another “Introduction to Statistics” from Andrews University
http://www.andrews.edu/%7Ecalkins/math/webtexts/stattoc.htm

A Wikibook about Statistics
http://en.wikibooks.org/wiki/Statistics

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Page last updated on 5/6/2010