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Resources for Marion Walter's Theorem
Just in case you're not a whiz at using dynamic geometery software here are some files for the most common programs that let you generate figures like Figure 2.
- Geometer's Sketchpad
- Cabri
- TI-92
- Instructions:
- Save "walter.92a" on your computer
- Connect your TI-92 to your computer
- Open TI-Graph Link 92
- Select "TI-92..." from the Connection menu
- Select "Add" from the File Menu, find "walter.92a" in the dialog box and click on Open.
You should now be able to open a figure called "marion" in the geometry application of your TI-92.
Marion Walter's Theorem has been the subject of a long discussion that has taken place in the pages of Mathematics Teacher. Here are some of the articles that have appeared
- February 1992 Cover by Will Johnston, about the cover p 89 and activity p 92.
- October 1992 , Reader Reflection , pp 597-98, "Unit Fractional Divisions", Warkentin
- March 1993 , Reader Reflection, p 192 ,"Drop the Restriction", Kennedy, response from Johnston
- May 1993, Reader Reflection, pp 422-23, "Unit fractional divisions Extended", Ballew
- November 1993, Reader Reflection, p 619, "Marion's Theorem", Cuoco, Goldenberg and Mark, Kennedy response
- December 1993, Reader Reflection, pp 782-783, "Irregular is OK", Shilgalis, Ballew response
- September 1994, Reader Reflection, pp 480, 482, "A Classic Problem", Zerger
- December 1994, Reader Reflection, p 726, 743,"No Restriction Needed", Ryan Morgan, Cuoco response
- May 1996 pp 420-423 Watanabe, Hanson and Nowosielski
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