TeachEngineering
Teach Engineering: Timing a Speedbot!
Students strengthen their communication skills by first learning the meaning of base units and derived units. Then, working in groups, students measure the time for LEGO MINDSTORMS NXT robots and calculate the robots' average speeds at...
Other
Helping With math.com: Ratios and Unit Rates
This site contains a lesson about ratios and unit rates as well as guided and independent practice for students to review the skills.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Distance, Speed, & Time
Using these rate of speed problems practice figuring out either the distance, time or speed. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Unit Rate
Find a quick, concise explanation of unit rates. An example is given and clearly explained.