Java applets: an area "workshop," which explains area and division by converting numbers in area units; an architect's toy blocks, with gravity; connecting and programming elementary logic (in the form of pipes with...

A unit designed for middle to high school level math teachers who want to illustrate the principles of scaling, ratio, and proportion in a concrete way through model building, and for science teachers who want to teach...

A unit about architecture and its unique relation to mathematics, incorporating the study of such mathematical concepts as ratio, proportion, scales, symmetry, and similarity, and providing definitions and explanations...

An enrichment unit in basic geometry and symmetry, including translation, tessellation and reflection, ideas on line designs and knot designs for teaching lines and line segments, and ideas for daisy designs to teach the...