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Math Forum » Discussions » Education » math-learn

Topic: Repeating decimals
Replies: 1   Last Post: Jan 27, 2001 1:26 AM

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Jeff L.

Posts: 1
Registered: 12/6/04
Repeating decimals
Posted: Jan 26, 2001 11:56 PM
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I have written a small program (dos/win)

http://ohms.ohsd.net/~workspace/execs/denom.exe (to download)

which asks that you give the number of places you wish the problem 1/n
solved to. It then asks for n.

I don't remember the original reason for the program, but it did
occur to me that middle school students could use it to investigate
various denominators to locate repeating decimals. We have been studying
rational numbers. So far I have only used it as an extra credit
assignment to find denominators that repeat is sets of 1, 2, 3, 4, etc.

Is this a reasonable assignment? Could you think of other purposes for it?

Thanks

Jeff LeMieux
Oak Harbor
http://www2.whidbey.net/ohmsmath

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