Q&A #7379

Volume of a sphere

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From: Gail (for Teacher2Teacher Service)
Date: Nov 27, 2001 at 21:53:54
Subject: Re: Volume of a sphere

As a start, do they understand how to find the volume of a cube? If so, it would be interesting to determine the volume of a cube that would have sides equal to the diameter of the shpere. It would be even better if they could see the two togheter, so they would recognize which was larger. Have they ever compared the area of a circle with the square that can be circumscribed around it, and the one that can be drawn inside? My fifth graders were very interested in the relationship between these three objects. If you have explored this with your group, it would be easy to relate it to this added dimension. -Gail, for the T2T service

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