The Unit Conversion series teaches the techniques of the most common unit conversions by 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. Conversions between the metric system and the English system are covered in detail. Teachers User Instruction & Resource Guide - Includes Recommended books & Unit Conversion Websites.