Choosing Samples

This Choosing Samples activity & project also includes:

What makes a good sample? Your classes collaborate to answer this question through a task involving areas of rectangles. Given a set of 100 rectangles, they sample a set of five rectangles to estimate the average area of the figures. The task allows groups to problem solve and develop their own strategies.

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CCSS: Designed
Instructional Ideas

  • Choose collaborative groups; allow them to work as a group to complete the task making observations about their discussions
  • Have groups present their methods of completing the task
Classroom Considerations

  • Requires a proficiency with finding area of rectangles and calculating a mean

  • Promotes communication within collaborative groups
  • Combines several concepts within a single task

  • None