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 A to Z Teacher Stuff Forums real life example of pyramid

#1
08-28-2006, 04:21 PM
 amyt682 Comrade Join Date: Feb 2006 Posts: 275 Texas
real life example of pyramid

what are some real life examples of pyramids...i'm drawing a blank

#2
08-28-2006, 04:25 PM
 Aliceacc Multitudinous Join Date: Apr 2006 Posts: 26,838 NEW YORK Math teacher
Aside from the ones in Egypt?

How about the food pyramid? You can find it on the side of just about any almost-helathy cereal.
#3
08-28-2006, 04:29 PM
 paperheart Groupie Join Date: Aug 2005 Posts: 1,303 USA PK-5
What are you using it for? I'm not sure if you want specific names of ancient pyramids or like the food pyramid like Alice suggested.
#4
08-28-2006, 04:42 PM
 TeacherGroupie Multitudinous Join Date: May 2005 Posts: 25,587 Calif.
The other question is, are you looking for examples of pyramids in what passes for the Real World, or are you looking for three-dimensional models of pyramids, or both? (There are different kinds of pyramids, of course.)
#5
08-28-2006, 05:54 PM
 amyt682 Comrade Join Date: Feb 2006 Posts: 275 Texas
three dimensional examples...i have solid wood examples of cylinder, rectangular prism, sphere,etc but not a pyramid...i was trying to think of something I could bring in to show instead of showing a two dimesional one from a piece of paper...
#6
08-28-2006, 06:20 PM
a prism?
#7
08-28-2006, 06:31 PM
 TeacherGroupie Multitudinous Join Date: May 2005 Posts: 25,587 Calif.
A prism isn't a pyramid. A prism has bases that can be congruent triangles or rectangles or hexagons or whatever, and the faces between the bases are rectangular or parallelogramic - so a Droste chocolate pastilles box is a hexagonal prism. A pyramid has one base that can be a triangle or rectangle or hexagon or whatever, and the faces are triangles.

Here are a couple of incredibly cool Web sites that might help. The first one is full of the most astonishing paper models...

http://www.korthalsaltes.com/
http://www.mathsnet.net/geometry/solid/nets.html
http://www.learner.org/channel/cours...on9/index.html
#8
08-28-2006, 06:45 PM
 SpecEdTeacher Companion Join Date: Jul 2006 Posts: 134 New Jersey 7th grade self-contained LLD Severe
[QUOTE]
Quote:
 Originally Posted by TeacherGroupie A prism isn't a pyramid. A prism has bases that can be congruent triangles or rectangles or hexagons or whatever, and the faces between the bases are rectangular or parallelogramic - so a Droste chocolate pastilles box is a hexagonal prism. A pyramid has one base that can be a triangle or rectangle or hexagon or whatever, and the faces are triangles. QUOTE]
holy crap...where were you when i was taking the praxis?
#9
08-28-2006, 08:31 PM
 TeacherGroupie Multitudinous Join Date: May 2005 Posts: 25,587 Calif.
Depends on when you were taking Praxis...
#10
08-28-2006, 09:02 PM
 chicagoturtle Fanatic Join Date: Jul 2006 Posts: 2,861 Illinois
You could build one..... We had to build a Dodechohedron for our final "teacher math class" at UW-Madison-- I can let the secret out now (years later---well NOT THAT MANY YEARS)-- I was totally wasted when I was building mine in the hallway of my dorm drinking vodka/peach puker/OJ--- I think I got the best grade of my three "Math For Teachers" classes on that one...

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