Twenty-seven problems present a variety of practice solving linear systems by substitution. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...

Twenty-five problems present a variety of problems working with various aspects of solving equations using the quadratic formula. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...

This tutorial will show you a four-step process for solving problems involving systems of linear equations. View several examples of Polya's process of problem solving and hone your own skills with practice exercises.

Teach your students to reason with language and to use imagery to translate language into mathematical equations.

Here is a site that clearly and thoroughly explains solving equations with fractions by finding the least common multiple of the denominators and clearing the fractions. There are example problems solved, problems for the student to...

The lesson discusses solving and graphing polynomial equations of higher degree. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity that...

A fun algebraic problem involving a calendar. Discussion, solution, and follow-up problem are included.

This tutorial explains exponential functions and provides links pertaining to topics on them. You will learn to use the exponent keys on your calculator, to graph exponential functions, and to solve compound interest problems.

Learn about simplifying algebraic expressions at this complete "how to" website. Detailed descriptions with examples and a downloadable file that let's you practice your skills.

This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.

A collection of video lectures from a course reviewing linear algebra with applications to networks, structures, and estimation. Webpage includes thirty-six lectures from a professor at Massachusetts Institute of Technology. Lectures...