Unit conversion, label changing, factor analysis. Whatever name you choose, it's a fundamental skill for high-school level science, especially chemistry and physics.

This product includes

* Four worksheets designed to add to students' skills with each successive worksheet

* Answers!

* Detailed lesson plans and directions

* Tips for Teachers

* Steps and examples you can use to show students how to change one unit to another

Beginning with simple one-step conversions such as milligrams to grams, students working through all of the problems will soon be able to make conversions such as dollars per square yard to pennies per square meter.

Metric units and US customary/imperial units are used.