“The Sky is Falling!"

What is the probability a meteorite strikes land when it hits Earth? Your classes use an experimental lesson to collect data and calculate an experimental probability. Using the area of land versus water on Earth, they adjust their calculations to reflect the theoretical probability.

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CCSS: Adaptable
Instructional Ideas

  • Ask pupils to make a sketch representing the ratio of land to water on Earth
Classroom Considerations

  • Requires measuring tools to complete the lesson
  • Expects previous experience calculating probabilities

  • Provides options for extension
  • Allows groups to create their own experimental designs

  • None
Common Core