1. Classification and Concept Consistency

   • Lara Alcock
   • Adrian Simpson

   OriginalPaper 01 April 2011 Pages: 91 - 106

2. Notions ensemblistes et besoins d’apprentissage dans la transition secondaire-supérieur

   • Ridha Najar

   OriginalPaper 01 April 2011 Pages: 107 - 128

3. Preservice Teachers’ Understandings of the Relation Between a Fraction or Integer and Its Decimal Expansion: Strength and Stability of Belief

   • Kirk Weller
   • Ilana Arnon
   • Ed Dubinsky

   OriginalPaper 01 April 2011 Pages: 129 - 159

4. Relegated to the Margins? The Place of STSE Themes in Québec Secondary Cycle One Science Textbooks

   • David I. Waddington
   • Amanda Imbriglio

   OriginalPaper 01 April 2011 Pages: 160 - 179

5. Developing Metadiscourse: Building Mathematical Discussions in an Urban Elementary Classroom

   • Aria Razfar
   • Della R. Leavitt

   OriginalPaper 01 April 2011 Pages: 180 - 197