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Topic: Re: To K-12 teachers here: Another enjoyable post from Dan Meyer
Replies: 2   Last Post: Aug 27, 2013 10:37 PM

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Richard Strausz

Posts: 4,621
Registered: 12/4/04
Re: To K-12 teachers here: Another enjoyable post from Dan Meyer
Posted: Aug 27, 2013 6:22 PM
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> On Aug 27, 2013, at 4:57 PM, Richard Strausz
> <> wrote:

> > So far, there are two 'voters'. I say that an
> exercise which helps students answer the question
> 'How can you fit a quadratic function to a set of
> data?' broadens the usual scope of an algebra class
> in a positive way. You vote 'No'.
> Broadens? How exactly do you broaden on something you
> didn't even teach? He isn't even trying to tie this
> activity to the quadratic function let alone the
> reasoning behind that function. No one is fitting
> anything to a quadratic function here. They are
> fitting a poorly thought out activity to a curved
> line on a piece of paper. How can anyone be gaining
> an understanding of ax^2+bx+c = 0 through this
> activity?
> Algebra avoidance has been pretty well documented on
> math-teach.
> Bob Hansen

How do you know that 'he' (actually the 'they' of the fellow posters and readers like me) didn't do any teaching of the quadratic function?


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