Curated OER
Metric Mania
In this metric system worksheet, students convert measurements of volume from the English system of measurement to the metric system. They also convert within the metric system and answer questions about volume measurements.
National Institute of Standards and Technology (NIST)
International System of Units: Si Base Units
This is the definitive source for information on SI base units, derived units, squares, cubes, luminosity, field strength and flux density.
Vision Learning
Visionlearning: General Science: Metric System: Metric and Scientific Notation
Instructional module focusing on the metric system. Discussion includes the historical development of the system and an explanation of base units. Site also includes an interactive practice quiz and links relating to the topic.