ClassFlow
Class Flow: Telling Time
[Free Registration/Login Required] Students will tell time up to the 5 minute mark with an analog clock.
University of Cambridge
University of Cambridge: Nrich: Take the Right Angle
Sharpen your logic, time, and angle recognition skills while working on this challenge. The solution is available to double check your results. (Hint: Use the "90 degree" right angle button on the clock to check if something is a right...
National Council of Teachers of Mathematics
Nctm: Figure This: Tan, Don't Burn
How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...
Khan Academy
Khan Academy: Converting Units of Time Review
Resource reviews seconds, minutes, and hours, and how to convert between them then provides practice problems.