Enlargement

Links

www.mathsnet.net/transform/index.html is an online interactive course on transformations, including enlargement, from Mathsnet. Students can manipulate diagrams and answer questions that lead them through the central ideas of the topic.

For interactive tiling and wallpapering activities try the geometry centre at www.scienceu.com/geometry/

For links to geometry software available free on the web try http://mathforum.org/dynamic/classroom.html