Message #1046 in Discussion #243: Keynote Part 1

posted by:	Judith Fonzi on May 13, 2003 at 4:31PM
subject:	What if the - isn't a minus sign ?

What if the student wasn't using the - as a minus sign at all ? What if
it simply represented a notation for the intermediate result of
132
- 7
_____
125 and then the student subrtacted the 50 (in her head) and recorded
the final result as 75.

Thread View

Discussion: The Example of Analyzing Mathematical... - posted by Deborah Ball on 05/12/03 - 12:05
- Analyzing A student produced method. - posted by Anne Collins on 05/13/03 - 11:49
  - What if the - isn't a minus sign ? - posted by Judith Fonzi on 05/13/03 - 04:31
    - What next? - posted by Mike Gilbert on 05/16/03 - 12:18
- How about this - posted by Ed Wall on 05/13/03 - 02:47
  - What this student would do next... - posted by Andreas Stylianides on 05/14/03 - 03:22
  - how about this - posted by Jane-jane Lo on 05/21/03 - 04:31

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