Khan Academy
Khan Academy: Estimating Volume
In this exercise, students practice estimating volume. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.
PBS
Pbs: Standard Measures and Conversions: Liquid Volume, Milliliters and Liters
In this Cyberchase Media Gallery, explore key concepts about liquid volume, including standard units of liquid measure and how to convert between them. In the accompanying classroom activity, students create a complete conversion chart...
Oswego City School District
Regents Exam Prep Center: Metric Conversions and Rates
Find out all about measurement in this test prep lesson exploring English and metric measurement. Students can compare metric and customary measurements using the conversion charts, assess how much they have learned using the interactive...
Other
Metric Conversion Calculator and Charts
Metric Conversions offers online calculators for making conversions, downloadable tables in many types of metric conversion (pdf format), and free conversion tools to put onto your website or dynamic pages.