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Topic: 5th Grade Activity
Replies: 15   Last Post: Apr 25, 1995 5:26 PM

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Linda Coutts

Posts: 11
Registered: 12/6/04
Re: 5th Grade Activity
Posted: Apr 18, 1995 10:43 PM
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Earlier today I was a guest at one of our elementary after school math
club meetings. The students ranged from 4-6th grade and included both
identified gifted and not identified gifted students. We had fun
exploring the Moibus strip (a loop with a single twist). Besides the
usual of talking about where and why a moibus strip might be useful we:

1. traced a single line dividing the moibus strip horizontally
in half, and discovering that it only has one side and one edge
2. cut the moibus strip along the drawn horizontal line, and
discovering the single band, we also

3. explored what happened when we cut the moibus strip
horizontally, but not in the middle (or half),
4. explored what happened when we glued two loops (not moibus
strips) together at 90 degree angles and then cut them in half horizontally,
5. explored what would happen if the two loops were not glued
together at 90 degree angles.

I am basing the success of the explorations on the fact that they all
took adding machine paper home with them to explore some more or "fool" a
parent.

Students this age also enjoy Hexaflexagons. I spend lots of money on
adding machine tape.


later.....

Linda Coutts e-mail address: lcoutts@mail.coin.missouri.edu
Coordinator Elementary Mathematics
Columbia Public Schools Voice: (314) 886-2233
1206 E. Walnut St FAX: (314) 886-2078
Columbia, MO 65201






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