[AERNet] Nemeth question

[Mario Cortesi]

In the 1 (2) 3 place-value question, the answer conceivably is that a sighted student may view the parentheses as a place-value, too.  Why should it confuse either student?> From: easjolly at ix.netcom.com> To: aernet at lists.aerbvi.org> Date: Tue, 2 Oct 2007 09:45:44 -0600> Subject: [AERNet] Nemeth question> > I'm giving this answer as a person knowledgeable in both math and Nemeth but> I'm not any kind of certified transcriber.> > I do not see how it is possible for anyone to understand the concept of> place value if additional symbols are inserted between the digits. You can> see this point if you consider using parentheses to indicate a particular> digit. For example, 1(2)3 with the question," What is the place value of> the digit in parentheses?" If you count starting from the right, you could> argue that the digit 2 is in the third position, rather than the second> position or tens place.> > Both of the suggestions already given, either asking, "What is the place> value of the digit 2 in the following number" or "underlining" a particular> number with dots-14 in the next line correctly reflect the underlying> mathematics. > > Sincerely,> SusanJ> > > > > Address list requests to: aernet-request at lists.aerbvi.org> _______________________________________________> AERNet mailing list> AERNet at lists.aerbvi.org> http://lists.aerbvi.org/mailman/listinfo/aernet_lists.aerbvi.org
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