Algebra - Mathematical Abstraction from Concrete Experience
   An explanation of how the Montessori student learns algebra while interacting with manipulatives, physical objects, represented by expressions incorporating the numerals and variables of mathematics.
   http://www.newbanner.com/CEL/Math/algebra2.htm

Algebra - One On One
   An educational game for those wanting a fun way to learn and practice algebra.
   http://www.sheppardsoftware.com/algebra1.htm

Algebra Homework Help, Online Solvers
   Interactive homework problems. Topics include Pre-Algebra, linear Algebra and other college Algebra.
   http://www.algebra.com/

Algebra Lessons
   Introduction to basic concepts of algebra: the lesson, an assignment, answer key.
   http://www.lessontutor.com/ltalgebra9home.html

Algebra Notes
   Includes common algebra rules and formulas for a quick reference.
   http://www.wtv-zone.com/Angelaruth49/Algebra.html

Algebra Review in Ten Lessons
   Review of (high school) algebra. Acrobat Reader required.
   http://www.math.uakron.edu/~dpstory/mpt_home.html

Algebra Story Problems
   A collection of simple Word Problems illustrating concept-based problem solving.
   http://www.hawaii.edu/suremath/intro_algebra.html

College Algebra
   Review test questions with answers. Covers order of operations, evaluating equations, simplifying fractions, formulas with square roots, inequalities simultaneous equations, solving quadratic functions.
   http://www.math.unt.edu/mathlab/emathlab/Review%20Test%20(College%20Algebra).htm

Fundamental Theorem of Arithmetic
   Article in the Platonic Realms.
   http://www.mathacademy.com/pr/prime/articles/fta/

Irrationality of the Square Root of Two
   Presents the classical proof, together with a shorter one due to Richard Palais of Brandeis University.
   http://www.mathacademy.com/pr/prime/articles/irr2/

MathDork - Math, Algebra interactive turtorials
   Unique learning experience using animation to make math more intuitive and fun. Animated images, sounds create a visually appealing experience that draws the student into the material.
   http://www.mathdork.com/

Mathematical Induction
   Explains the process of making and proving conjectures about the behavior of equations that a repetitive trait, such as summation formulas. Includes the rules for a valid induction and some examples.
   http://www.cut-the-knot.org/induction.shtml

Miss Lindquist: The Online Algebra Tutor for Word Problems
   An intelligent tutoring system funded through a grant from the National Science Foundation to build software that is more like human tutors. This program will tutor students presenting them with progressivly harder problems and will help me when needed.
   http://www.cs.cmu.edu/~neil/

Paul's Online Math Tutorial and Notes - Algebra
   Tutorial explains how to work with exponents, radical expressions, solving equations, inequalities, functions and graphing. Includes practice exercises and formula lists.
   http://tutorial.math.lamar.edu/AllBrowsers/1314/1314.asp

Purplemath
   Includes illustrated tutorials, categorized links, homework guidelines, and a study skills survey.
   http://www.purplemath.com/

Shannon's Beginning Algebra Page
   Topics covered include the order of operations, equations, exponents, polynomials, factoring, fractions, rational expressions, and radicals. Also, has practice quizzes.
   http://home.sprynet.com/~smyrl/MAIN.HTM

Solving Story Problems
   Article in the Platonic Realms.
   http://www.mathacademy.com/pr/prime/articles/storprob/

Theorem of Pythagoras
   Gives a geometric proof of the rule for measuring the sides of a right triangle.
   http://www.alphaquark.com/Traduction/Pythagore.htm

Understanding Algebra by James Brennan
   Covers the order of operations, working with plus and negative signs, solving for unknowns, straight line and polynomial functions, cartesian coordinates and simultaneous equations. Includes topical navigation, illustrations and charts.
   http://www.jamesbrennan.org/algebra/

WebMath
   A set of tutorials on various topics in introductory mathematics, as well as free software.
   http://www.webmath.com

West Texas A&M University - Beginning Algebra
   Learn about the "language" of math, sets, fractions, variables and simplifying formulas, using graphs, inequalities and study tips.
   http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/index.htm