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Topic: Number Sense and Computational Fluency
Replies: 92   Last Post: Jul 24, 2008 5:09 AM

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Sam Morris

Posts: 35
Registered: 12/3/04
Re: Computational Strategies
Posted: Nov 27, 2000 4:31 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

I think you're referring to two different points. 1) kids need to know
their basic math facts. As you said, parents can help facilitate this
with the use of flash cards, teachers can "drill and kill", etc. 2)
Kids need to become flexible problem solvers, whether within the
context of word problems or as preented as "simple" computational
problems. The benefit, in my opinion, in spending class time working
on and sharing only a couple of problems is that the kids have an
opportunity to add problem solving strategies to their "bag og tricks"
so to speak. Having only one "way" to get an answer doesn't always
serve the child well. Take, for example the problem 100 - 1 = ? Is
the standard subtraction algorithm the best way to get the answer? I
really this is a very simple example, but I think it speaks to the
need for kids to have many ways to get the answer. As for where these
"ways" come from, the ones that make sense to the kids are the ones
that will ultimately lead to correct answers. Making sense of the
mathematics must be grounded in the child's understanding and
experiences, and these understandings and experiences may not match
those of the text book author, teacher, parent, etc. If we allow kids
to build their own understanding, the structure has to be more sound.

Just my opinion,

Sam




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