Shape
Copyright David & Cynthia Thomas, 2009
Surface Area and Volume--Directed Activity: The Concept of
Surface Area
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Focus |
The meaning of surface area. |
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Technologies |
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Background |
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Tasks |
1. Does a shadow on a desktop have area? Surface area? Why or why not? 2. Does a sheet of paper have surface area? Why or why not? 3. How is the concept of surface area of 3-dimensional objects related to the concept of area of 2-dimensional objects? 4. Does the inside of a 3-dimensional object have area or surface area? Why or why not? 5. How would you approach determining the surface area of the following objects?
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