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

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Posts: 180
Registered: 12/3/04
Re: Gr 7 Reference Sheet
Posted: Jan 26, 2010 9:53 PM
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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: [
> ] On Behalf Of
> Sent: Thursday, January 21, 2010 10:45 AM
> To:
> Subject: Gr 7 Reference Sheet
> Any teachers talking about the Right Triangular Prism diagram on the
> NYS Gr 7 reference sheet?
> Barb Amedro
> Oswego County BOCES

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