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Discussion: Abacus tool
Topic: Abacus
Related Item: http://mathforum.org/mathtools/tool/401/


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Subject:   Abacus
Author: Rosa
Date: May 5 2004
http://matti.usu.edu/nlvm/nav/frames_asid_196_g_3_t_1.html

I think this tool can be very useful. I have thoughts that I wonder if it would
make it even better. Do you think that it would be useful to ask students
questions after doing operations?  Since there is no presentation, should
students make their own presentation for how much one item counts?

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yes  no
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