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Rex
Posts:
119
Registered:
12/6/04


Re: [mathlearn] Repeating decimals
Posted:
Jan 27, 2001 10:19 AM


Jeff LeMieux wrote: > I have written a small program (dos/win) > which asks that you give the number of places you wish the > problem 1/n solved to. It then asks for n. > Is this a reasonable assignment? Could you think of other > purposes for it?
I believe discovering the general rule for finding the number of digits before the decimal repeats is quite complicated (I'm not positive about this). But discovering the rule for when the decimal terminates is within the scope of a middle school student.
How difficult is it to find the rules for decimals that repeat after 1, 2, 3 and 4 digits?
Cheers
Rex .................. Rex Boggs Glenmore State High School Phone: 0749 230 338 P.O. Box 5822 Fax: 0749 230 350 Rockhampton Mail Centre Rockhampton QLD 4702 Australia  Secondary Mathematics Assessment and Resource Database http://smard.cqu.edu.au  Exploring Data http://exploringdata.cqu.edu.au 
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