Jump at the chance to use the idea of rates. Young mathematicians watch part of a clip of a Japanese TV show where a contestant jumps rope as fast as possible. They use the data for the number of jumps and the number of seconds shown in the clip to estimate the number of jumps that the contestant makes in 30 seconds.

Concepts

rates, ratios, estimation, jumping rope

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Instructional Ideas

• Have classmates share their estimates with a partner and discuss their strategies
  

Classroom Considerations

• Familiarity with rates and ratios is necessary
• Scholars should have prior experience with estimation
  

Pros

• Use of real-world contexts promotes interest in the topic
• Provides the full video clip to see the answer
  

Cons

• None

Common Core

6.RP.A.3.a 6.RP.A.3.b 6.RP.A.3.c 6.RP.A.3.d