(This is a shortened version of the session I facilitated at NCTM 2014.)
Below are links to the handout for the session, a research paper that describes the approach in more detail, and a link to the complete unit for teachers and others to use. Please download, modify, and use the tasks with your students!
- Session handout (1 MB PDF file)
- Session presentation (22 MB PDF file)
- Research paper (2 MB PDF file)
- Download the complete unit to use in your classroom (34 MB .zip file; MS Word, MS PowerPoint, and a PDF reader are required to view and edit files)