| Discussion: | All Topics |
| Topic: | Does step size really equal speed? |
| Related Item: | http://mathforum.org/mathtools/tool/13171/ |
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| Subject: | Does step size really equal speed? |
| Author: | KT8 |
| Date: | Apr 10 2007 |
(If this has been addressed in other discussions, I apologize). I can take
loooong steps very slowly or short steps very quickly, so I don't like the
assumption that increasing step size will cause the "runner" to get there
faster. If the x-axis scale were in "number of steps" instead of "time," this
would make sense.
One of the sessions I attended at NCTM in ATL was about the shortcomings of some
electronic manipulatives and how these could lead to misunderstandings about the
mathematical concepts. Distance = RATE * time, not LENGTH OF STEP * time.
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