How do you convert from one measurement to another? Pupils use unit rates to convert measurements from one unit to another in the 21st segment in a 29-part series. They convert within the same system to solve length, capacity,...

Capture the engagement of young mathematicians with this upper-elementary math lesson on measuring time and distance. Using Google Maps, students first measure and compare the distance and time it takes to travel between different...

How did the metric system come to be, and why does the US not use it very much? Your class can learn the answers to these questions with the reading passage included here and then respond to the five related questions.

If you need a way to assess the concepts in your physical science class, use an extended set of worksheets as a midterm or final exam. It includes questions about density, physical and chemical matter, speed and velocity, weight and...

Here are three activities--concentration, matching, and flashcards--to help learn or review the units of customary measurement.