Capture–Recapture

This Capture–Recapture lesson plan also includes:

Explore proportions through an interesting hands-on activity. Learners model the population of birds using beans. They tag a sample size of the beans and use a proportion to estimate the actual population size. 

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CCSS: Adaptable
Instructional Ideas

  • Hold a contest for the group that is most accurate at guessing the total number of beans during the activity
Classroom Considerations

  • Requires a specific set of materials
  • Expects previous experience with ratios and proportions
Pros

  • Connects proportions to a real-life situation
  • Includes both an opening and closing exercise
Cons

  • None
Common Core