en.wikipedia.org/wiki/Tangram

The tangram is a dissection puzzle consisting of seven flat shapes, called tans,
which are put .... See also[edit]. Egg of Columbus (tangram puzzle) ·
Mathematical puzzle · Ostomachion...

nrich.maths.org/public/leg.php?code=5044

The Nrich Maths Project Cambridge,England. Mathematics resources for children
,parents and teachers to enrich learning. Problems,children's solutions ...

nrich.maths.org/5355

Follow these instructions to make a three-piece and/or seven-piece tangram.

www.parentingscience.com/tangrams-for-kids.html

Tangrams for kids may foster an intuitive sense of geometry and improve math
skills. But how can we help kids get started?

www.mathplayground.com/tangrams.html

Play Four Piece Tangrams at Math Playground! Four shapes can be rotated and
flipped either horizontally or vertically. Position the shapes in a way that ...

archive.bridgesmathart.org/2012/bridges2012-553.pdf

The Art and Mathematics of Tangrams. Xiaoxi Tian. Teachers College. Columbia
University. New York, USA. Abstract. This article is about the application of ...

losstt-in-math.dm.unipi.it/bp/TangramInMathematics.htm

Tangram in mathematics for lower secondary school. by Jaroslava Brincková,
Miroslav Haviar. Pedagogical Faculty, Matej Bel University, Banská Bystrica, ...

mathworld.wolfram.com/Tangram.html

There are 13 convex tangrams (where a "convex tangram" is a set of tangram
pieces ... Chs. 3-4 in Time Travel and Other Mathematical Bewilderments.

mathwire.com/geometry/tangrams.html

Watch the Links Learning Geometric Shapes with Tangrams lesson with students
. ... Place the tangram characters and tangram pieces in your math center for ...

www.mathsisfun.com/definitions/tangram.html

Math explained in easy language, plus puzzles, games, quizzes, worksheets and
... Tangram. A traditional Chinese puzzle made of a square divided into seven ...