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Math Forum » Discussions » Education » math-teach

Topic: Venn Diagrams
Replies: 10   Last Post: Dec 9, 1995 5:42 AM

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Mary K. Hannigan

Posts: 22
Registered: 12/6/04
Re: Venn Diagrams
Posted: Dec 6, 1995 11:07 AM
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It also gives an argument for what is a subset. The discussion could lead
into how to better represent a subset once you know some set is a subset of
another.

I give a sorting problem to my preservice elem teachers that has a subset
in it. It's always interesting to see who recognizes that it is subset
immediately, who sees it in the middle of the problem and who never notice
(or at least don't mention it).


Mary K. Hannigan
Austin Community College

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