Measurements
Video Lesson: Converting Units of Measure
Khan Academy explains how you can convert units of time such as seconds, minutes, and hours.
Video Lesson: Converting Units of the Metric System
Khan Academy teaches you how to convert between metric units related to distance, mass, and volume.
Measure It!:
Choose the length that matches the red bar.
Learn to Tell Time:
Match the time on the clock.
More Games:
Try your hand at "Relate Metric Units" or "Relate Customary Units."