| Discussion: | All Topics |
| Topic: | Continuous /Discreet Graphing |
| Related Item: | http://mathforum.org/mathtools/tool/13171/ |
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| Subject: | RE: Continuous /Discreet Graphing |
| Author: | MindyN |
| Date: | Jun 26 2006 |
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> One interesting thing you can do with this tool (since you mention
> discrete graphing) is have students demonstrate limitations of
> discrete graphs. For example, if one runner's step size is 5 and
> the other runner's is 2, then it might be possible for one to pass
> the other without being at the same place at the same time. You can
> ask students to explain what happens, and why it worked that way.
> This might be a bit advanced for 7th graders, but it might be
> interesting for them to think about!
Start Runner 1: 10
Step
> Runner 1: 5
Start Runner 2: 20
Step Runner 2: 2
Runner 1
> catches up with runner 2 at "step 3.33," but in the applet all that
> is observed is that at step 3, runner 2 is behind, but at step 4,
> she is ahead. Advanced students might try to come up with their own
> scenarios for this.
I had students in my Algebra 1 class make
> flip books that work just like the applet--they positioned two
> objects (for some reason, tortoise and hare were popular) on each
> page, and advanced one "step" per page. Fun for the students, fun
> to grade!
Hi, Craig. I'm a little confused. (Not an unusual state for me!) How can one
runner pass the other without being in the same place at the same time?
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