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Topic: PARCC Definition of Trapezoid
Replies: 15   Last Post: Jun 19, 2013 9:47 AM

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 Don Posts: 34 From: 140 Shepherd St, RVC, NY 11570 Registered: 2/7/06
RE: PARCC Definition of Trapezoid
Posted: May 1, 2013 12:45 PM
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Hmmmm... what if you use the British interpretation ? here 'trapezoid' is defined as a quadrilateral with no sides parallel and a 'trapezium' is a quadrilateral with one pair of parallel sides?

Food for thought as we grapple over inclusive v. exclusive ?US? definitions of the term trapezoid?

Don

-----Original Message-----
From: owner-nyshsmath@mathforum.org [mailto:owner-nyshsmath@mathforum.org] On Behalf Of Holly Thomas
Sent: Wednesday, May 01, 2013 12:05 PM
To: nyshsmath@mathforum.org
Subject: PARCC Definition of Trapezoid

I've been reviewing recently released PARCC documents and was confused that PARCC is defining a trapezoid as having "at least one pair of parallel sides". However, the most recent definition I can find issued by NYS is in the 2005 Standards math glossary, in which a trapezoid is defined as having exactly one pair of parallel sides. Since this will impact instruction from Grade 3 on, I'm curious is anyone else is aware of this issue, or any discussions surrounding it.

Holly Thomas

Math Coach

Indian River Central School District

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Date Subject Author
5/1/13 Holly Thomas
5/1/13 JFish@csufsd.org
5/1/13 Don
5/1/13 Elliott Bird
5/1/13 Tammy Woodard
5/1/13 GPJ
5/1/13 Robert Bieringer
5/1/13 Roberta M. Eisenberg
5/1/13 Elise Teitelbaum
5/2/13 michelle Van Etten
5/2/13 Elise Teitelbaum
5/2/13 Holly Thomas
5/2/13 Holly Thomas
5/2/13 CCSSIMath
5/7/13 Allan Turton
6/19/13 Barbara