The Unit Conversion DVD Series teaches the techniques of the most common unit conversions through fully worked example problems. The strategy associated with unit conversions is emphasized so that students will be comfortable applying any conversion factor necessary to solve the problem. This program teaches by examples how to perform unit conversions involving density. Students are taught how to recognize when a unit needs to be converted, how to write down the conversion and how to perform the math steps necessary to convert from one unit to another. Grades 7-12. 32 minutes on DVD.