Pages tagged geometry:
mathematics environment video
Parallelism and Hyperbolic geometry in models that are crotcehed
kindergarten for adults...play tanks (rather than think tanks)
Slide-Together Geometric Constructions
http://www.georgehart.com/slide-togethers/slide-togethers.html
Warping Text To Bézier curves
http://www.planetclegg.com/projects/WarpingTextToSplines.html
Solve Computational Geometry Problems | PC Plus
http://www.pcplus.co.uk/node/3089/
From the simple to the intricate, geometry is an inescapable part of graphics programming.
Feature Column from the AMS
http://www.ams.org/featurecolumn/archive/svd.html
An intuitive explanation of the geometric meaning behind SVD.
Good explanation of the SVD
Geometric interpretation of SVD.
Pattern in Islamic Art
http://www.patterninislamicart.com/
http://www.misterteacher.com/minimovies/minimovies.html
"mini movies" that you can download - and guess what, they have the .swf extension on them. Which of course means that you can right-click on them to download. Then open up Notebook and click on "Insert" and "Flash File". Browse to where you downloaded the movie. Now the little movie will play right off of the Notebook page for you.
Short, free, dynamic video clips to show a variety of math (mostly algebra and geometry) concepts. A good supporting resource.
Functional Geometry
http://www.frank-buss.de/lisp/functional.html
Nice bit of drawing code.

Illuminations: Dynamic Paper
http://illuminations.nctm.org/ActivityDetail.aspx?ID=205
Can create specific type of paper like graph, spinners, etc
Continuity: A Flash Puzzle Platformer
http://www.continuitygame.com/
Continuity is a student project, created by Ragtime Games www.continuitygame.com great largo music
Un jeu de plateformes/réflexion simple mais ingénieux !
Bill the Lizard: Six Visual Proofs
http://www.billthelizard.com/2009/07/six-visual-proofs_25.html
Mathematically Correct Breakfast -- Mobius Sliced Linked Bagel
http://www.georgehart.com/bagel/bagel.html
How to Slice a Bagel into Two Linked Halves
Anti-Grain Geometry - Interpolation with Bezier Curves
http://www.antigrain.com/research/bezier_interpolation/index.html

ベジェのスムースアルゴリズム
Elementary Mathematics
http://www.bcps.org/offices/lis/curric/elem/elemgeo.html
List of ideas for grades 1-6 on math.
worksheets and activities from kindy to year 6
A large range of lessons which are divided clearly into grades. The lesson are easy to read and are able to prepare a teacher for the lesson.
This website focuses on the content strand geometry. It has a list of lessons and activities ranging from grade 1 to 5 which teachers could use to support the learning of geometry.
Crickweb | Flash Page
http://www.crickweb.co.uk/assets/resources/flash.php?&file=Symm
Symmetry. Sorting shapes by lines of symmetry.
Sort shapes as to reflective symmetry
Determine which shapes have 0, 1, 2 or more lines of symmetry.
How many lines of symmetry does a square have? Find out this and more in this symmetry sorting activity. Available as a bounce back demo or without bounce back for assessment.
print for quiz
No, really, pi is wrong: The Tau Manifesto by Michael Hartl | Tau Day, 2010
http://tauday.com/
quite convincing :)
Tau = 2*Pi. Revelation of the century.
The Tau Manifesto