Calculating Probabilities for Chance Experiments with Equally Likely Outcomes

Calculate theoretical probabilities and compare them to experimental probabilities. Pupils build on their knowledge of experimental probabilities to determine theoretical probabilities. Participants work several problems with the probability of each outcome being equal to find the probability of an event.

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CCSS: Designed
Instructional Ideas

  • Lead a discussion to ensure the class understands the difference between the probability of an outcome and the probability of an event
  • Provide several opportunities for individuals to calculate theoretical probabilities and compare them to experimental probabilities
Classroom Considerations

  • Class members need to know how to determine the experimental probability of an event
  • The fourth in a 25-part series

  • Contains an exit ticket to check for understanding
  • The answer key contains the simplified and unsimplified fractions for the probabilities

  • None
Common Core