TV on a Rolling Cart

Figuring Out Elapsed Time

From Cyberchase · 2007

Figuring Out Elapsed Time
3rd4th5thMath
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Summary

A Cyberchase segment: Digit competes against Hacker in a cooking contest, making a CyberSouffle that takes 12 minutes — and uses a digital clock to figure out when it will be done. A clear elapsed-time problem with real stakes.

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All ages
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Teaching resources

Discussion questions

Discussion

  1. How did Digit figure out when the souffle would be ready?
  2. What is 'elapsed time'?
  3. How could you find elapsed time without a clock to look at?

Quick work-a-long

Vocabulary: elapsed time, start, end.

Try it: A cake goes in at 2:15 and bakes 40 minutes. What time does it come out?

Figuring Out Elapsed Time — TV on a Rolling Cart