Help Algebra
Help algebra.com: Addition Principle
Beginning with a discussion of equivalent equation, this site describes the Addition Principle and how it is used to help solve algebraic equations.
Lesson Tutor
Lesson Tutor: A Beginning Look at Basic Algebra
Twelve lessons are provided as an introduction to basic algebra. Each covers the topic clearly, providing examples with explanations as well as practice problems and their solutions for the user. Topics highlighted here include: solving...
Oswego City School District
Regents Exam Prep Center: Review Factoring Polynomials
A wealth of material to supplement classroom instruction on factoring of polynomials. Lessons offer methods and guidelines for factoring as well as examples; practice exercises allow students to begin testing their factoring skills; and...
Other
Traduciendo Expresiones Algebraicas
In Spanish. An overview of translating sentences into algebraic expressions. Begins with the basics of words relating to operations, and expressions with one variable. Many example problems available for students.
Interactive Mathematics
Interactive Mathematics: Matrices
This over view of matrices begins with an application to electronics using circuit equations. Examples are provided to demonstrate types of matrices, the identity matrix, addition and scalar multiplication of matrices.