Activity

Coin Carpet

Curated and Reviewed by Lesson Planet

Here's a new meaning to the expression throwing away money...a carpet of coins! An intriguing lesson requires calculations to determine the coin that would be the cheapest option, but it's a little tricky. The cost of the coin changes, and so does the area it covers. Individuals must organize the information to make the correct conclusion.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Give pupils manipulatives of different coins and have them use their desk surfaces as a model
  • Have learners research coins from other countries to determine if there are even cheaper options
Classroom Considerations
  • Requires an understanding of surface area and calculating surface areas
  • This content requires Adobe Flash to view
Pros
  • Leaves the question open-ended to encourage multiple solution strategies
  • Encourages the use of higher level thinking skills
Cons
  • Does not include Act 3, which contains the solution to the question
Common Core