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Topic: Gr 7 Reference Sheet
Replies: 3   Last Post: Jan 28, 2010 7:05 PM

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sherry

Posts: 180
Registered: 12/3/04
Re: Gr 7 Reference Sheet
Posted: Jan 26, 2010 9:53 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply
att1.html (5.4 K)

Does anyone know why the formula and diagram were changed?


On Jan 21, 2010, at 2:32 PM, Westendorf, Neal wrote:

> I have taught this using a web or, better yet, a cardboard prism
> that can be laid out flat so they see the triangles and rectangles.
> I would also show them the diagram and recommend putting ?p? on the
> same end as ?s? and ?w?. I have also skipped the two ends canceling
> the ½s for each triangle base. Instead, I use two triangles and
> three rectangles. Surface area can be very difficult for students
> to visualize. Card board manipulatives really help with this concept.
>
> Neal Westendorf, Taconic Hills
>
> From: owner-nysmsmath@mathforum.org [mailto:owner-nysmsmath@mathforum.org
> ] On Behalf Of bamedro@aol.com
> Sent: Thursday, January 21, 2010 10:45 AM
> To: nysmsmath@mathforum.org
> Subject: Gr 7 Reference Sheet
>
> Any teachers talking about the Right Triangular Prism diagram on the
> NYS Gr 7 reference sheet? http://www.emsc.nysed.gov/osa/eliinfogen/7mathref-2010.pdf
>
> Barb Amedro
> Oswego County BOCES





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