Keep playing with those old toy cars! Pupils estimate the number of toy cars in an art installation. The only information they receive is a picture showing the toy cars arranged in concentric rings and the diameter of the overall installation.

Concepts

area, circumference, area of circles, circles, estimation

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Additional Tags

math

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Instructional Ideas

• Bring in a toy car or have learners bring in toy cars to measure
  

Classroom Considerations

• Scholars must have experience with areas and circumferences of circles
• Knowledge of estimation strategies is a must
  

Pros

• Includes concluding discussion questions
• Provides images showing dimensions and prices
  

Cons

• Image is too small to see the correct answer
  

Common Core

7.G.B.4 MP4