Other Useful Resources
Liping Ma, Knowing and Teaching Elementary Mathematics: Teachers' Understanding of Fundamental Mathematics in China and the United States, Routledge, second edition, 2010
Lee S. Schulman, Those who understand: Knowledge growth in teaching, CERAS, School of Education, Stanford University, 1985.
David Bressoud's Launchings
Culture of Math Teaching and Learning
George Polya, How To Solve It: A New Aspect of Mathematical Method.
Alan H. Schoenfeld, The Math Wars, Educational Policy 18 (2004) 253-286.
Jo Boaler and Cathy Humphreys, Connecting Mathematical Ideas: Middle School Video Cases to Support Teaching and Learning, Heinemann, 2005.