This site give a lesson plan on mixture problems. The instructional activity is a hands on learning experience for the students. Students mix yellow and red beads and determine the final percent of yellow and red beads in the mixture.

Here is a site that clearly and thoroughly explains how to solve word problems that lead to systems of equations, such as mixture, coin, investment, and upstream/downstream problems. There are example problems solved, problems for the...

An overview of basic high school algebra topics can be found here. Absolute value, signed numbers, inequalities and equations, mixture problems, and direct and indirect variation are all listed, each with links to questions posed by...