This site departs from the common themes taught in general geometry classes and introduces projective geometry, which has to do with special properties resulting from the intersection of lines, planes, and points. The...

Created by William Barker and David Smith for the Connected Curriculum Project, the purposes of this module are to develop a mathematical model for decay of radioactive substances, and to develop a technique for deciding...

Created by Lang Moore and David Smith for the Connected Curriculum Project, the purposes of this module are to develop multiple representations for decay of radioactive substances, in the context of environmental...