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This Length of an Arc: Pi Hour interactive also includes:
What time is it when the arc length is pi? An interactive displays the measure of the angle created between the hour and minute hand of a clock. Pupils can set the clock to different hours and calculate the arc length based upon the radius.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Find the arc length for different times using the radius of various clocks
Classroom Considerations
- Pupils should know how to convert degrees to radians
- Access to the interactive requires registration for a free CK-12 account
Pros
- Shows the correct answer if the wrong answer is entered
- The additional reference material contains example problems
Cons
- None