Don
Posts:
31
From:
140 Shepherd St, RVC, NY 11570
Registered:
2/7/06


RE: PARCC Definition of Trapezoid
Posted:
May 1, 2013 12:45 PM



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: ownernyshsmath@mathforum.org [mailto:ownernyshsmath@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
Philadelphia, NY
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