Developing a Theory of Pedagogical Content Knowledge for Secondary and Post-Secondary Mathematics Teachers  Pedagogical Content Knowledge (PCK) has become a rich area of investigation for math and science education researchers.  Culminating from a seminal speech given by Shulman in 1986, much of the research in PCK for math teachers has focused on the K-8 level.  read more October 6 Colloquium – Billy Jackson, University of Maine