This site has eleven interactive problems dealing with Direct Variation. Allows you to answer in multiple choice format and gives an explanation for the correct answer.

Here is a site that clearly and thoroughly explains direct and inverse variation. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point this site out to students who have been...

The mathematics tutorial explores direct and inverse variation. The lesson consists of class notes, examples, and practice problems with solutions. The teacher resource includes an activity that examines mathematical variation in art.