MAC-CPTM Situations Project
Situation 20: Area of Plane Figures
Prepared at University of Georgia
Center for Proficiency in Teaching Mathematics
29 June 2005 -- Erik Tillema
Edited at Pennsylvania State University
Mid-Atlantic Center for Mathematics Teaching and Learning
23 September 2009 -- Tenille Cannon, Kim Johnson, and Rose Mary Zbiek
Click HERE for a Word
version