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Showing posts with label
area
.
Show all posts
Showing posts with label
area
.
Show all posts
Wednesday, July 6, 2011
I see parallelograms everywhere
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Having come to terms with the area of the triangle - and realising how parallelograms unlock the secrets of so many of our basic regular sh...
7 comments:
Tuesday, July 5, 2011
Really, really understanding the area of a triangle (Part 2)
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Continuing from Part 1 , we look for an elegant and convincing way to demonstrate to students that our triangle ideas also apply to the infa...
Monday, July 4, 2011
Really, really understanding the area of a triangle (Part 1)
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We all learnt this one at school - recite with me : "The area of a triangle is half base times the height", and then the teacher w...
5 comments:
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