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With tracing ray paths...could you give every team a transparency to put their solution on...then you could stack them to report
Or could they solve a problem that outputs an x-y coordinate that you quickly put in excel and display the simultaneous results....I can send you a similar example tomorrow (example is from aerodynamics course...but might give you some ideas)
Jim Sibley
Sorry for brief message -sent from my iPad
On 2010-09-12, at 7:53 PM, "Jackson, John Mark" <[log in to unmask]> wrote:
> I teach an optics class to first-year optometry students. We have 120 students so I have 20 groups of 6.
>
> The first part of the course focuses on basic problem solving for objects and images. Friday they had their first team assignment which was to come up with ray tracings showing paths of light rays, and that exercise went well. However, I am having trouble in general figuring out how to do simultaneous reporting in a class like this. Next class day, for example, I will have them do the same thing they did with the tracings but using math to calculate the same things about images.
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> I had laminated cards with letters A-D made up, all 4 cards different colors, that I imagined them holding up to indicate their group answer during these kinds of exercises. Should I simply have them work a problem within a certain time, then have them hold up the cards? I’m not sure what benefit this would have when there is likely not going to be much controversy at this point in the course. I want to follow good practices.
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> Thanks for any advice.
>
> John Mark
> ---------------------------------
>
> John Mark Jackson, OD, MS, FAAO
> Southern College of Optometry
> (901) 722-3314
> Skype: jacksonsco
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