Volume 8, Number 3 (July 2011)
"Dulce lumen et delectabile est oculis videre solem" - Qoheleth
Full Volume
Editorial
Editorial: “Glocal”, “Glocavores”: Good Gadgetry?
Bharath Sriraman
Articles
Research on Practical Rationality: Studying the justification of actions in mathematics teaching
Patricio Herbst and Daniel Chazan
Practical Rationality, the disciplinary obligation, and authentic mathematical work: A Look at Geometry
Deborah Moore-Russo and Michael Weiss
Complex Learning through cognitively demanding tasks
Lyn D. English
Conceptualizations and Issues related to Learning Progressions, Learning Trajectories, and Levels of Sophistication
Michael T. Battista
On the idea of Learning Trajectories: Promises and Pitfalls
Susan B. Empson
Special Issue:
Optimizing Student Understanding in Mathematics