What is the origin for the name tangram?
The tangram is Chinese for seven boards of skill and is a dissection puzzle consisting of seven flat shapes, called tans, which are put together to form shapes. The objective of the puzzle is to form a specific shape (given only in outline or silhouette) using all seven pieces, which may not overlap. The Tangram may have roots in the yanjitu furniture set of the Song Dynasty Got to be honest and say that I have never heard of it but I looked it up and above is what it said, I have given you the web site if you want to have a look at it.