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Pagina del Tangram (The Tangram Page) - Giochi on line
A tangram home page... in Italian!
Pieces - December, 1995
The Geometry Forum Problem of the Week: Which of the triangles are
congruent to each other? If the large square has area one square
unit, what is the area of each of the seven pieces?
to the Tangrams Project - March, 1994
The Geometry Forum Project of the Month: For which N is
it possible to make a square using all the pieces from N
sets of tangrams? Examples of the best solutions submitted are given.
A thread from the Geometry Forum newsgroup geometry.pre-college
archive that discusses a tangram-assisted proof of the Pythagorean
Software by S. T. Han
The Windows version of Tangram 4.1 is compatible with Windows 98/95 and Windows 3.1. The Mac version is compatible with newer system software and newer Macs.
to Make a Tangram Set
Self-extracting ClarisWorks or Adobe Acrobat (PDF) files from the
Explorer data base set: Tangram (How to Make) and Tangram (Lesson
An online tangram game that requires
a Netscape plug-in from Macromedia.
(Geert-Jan van Opdorp of AI Engineering)
An interactive tangram game for Java-powered browsers.
Sample Tangram Lesson
"To provide students with some insight as to how the tangram pieces
fit together, and to stimulate their interest in forming shapes and
exploring patterns using the tangram pieces."
Plank's Origami Page (Modular)
Directions for making a variety of polyhedra, with pictures.
One of a large family of geometric puzzles. "Puzzles of this sort are
great for developing spatial-visualization skills. Because some
students may not have developed these skills, The Heart Breaking
Puzzle initially asks students to use the nine pieces to make as
many interesting shapes as they can."
Cutout (to print out)
From "Mathematics to Prepare our Children for the 21st Century"---A
Guide for New Jersey Parents.
© 1994- The Math Forum at NCTM. All rights reserved.
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22 October 2002