Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of percent discount and sales tax. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...

[Free Registration/Login Required] In this flipchart, students apply ratio, percent, and direct proportion in situations. Students solve problems involving percentages such as percent increase/decrease, tax, commission, and discount.

From basics such as adding and subtracting money, converting coins, and making change to more advanced topics such as sales tax and simple interest, this interactive tutorial offers help with consumer math issues.

This site contains a study of percentage and its applications in the study of consumer related problems. Problems involving sales tax are included. Examples, explanation, solutions and a bibliography are also included in the site.

The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.

[Free Registration/Login Required] In this flipcharts, students use the interactive tools to solve various rational number problems involving percentages (e.g., percent increase/decrease, tax, commission, and discount).