Engaging Preservice Teachers and Elementary-Age Children in Transformational Geometry: Tessellating T-Shirts
This is available to members of NCTM. If you are interested in a NCTM membership, join now. You may also purchase this article now for online access.
Putting a twist on a popular mathematical tool, this collection
of activities shows how putting a number 1 in the bottom-left cell and a 100 in
the top-right cell can better support student reasoning.