1. Looking Back, Looking Forward

   • John Wallace

   EditorialNotes 01 January 2009 Pages: 1 - 4

2. Preservice Teachers’ Understanding of the Relation Between a Fraction or Integer and Its Decimal Expansion

   • Kirk Weller
   • Ilana Arnon
   • Ed Dubinsky

   OriginalPaper 01 January 2009 Pages: 5 - 28

3. L’enseignement du sens spatial au secondaire : Analyse de deux leçons de troisième secondaire

   • Patricia Marchand

   OriginalPaper 01 January 2009 Pages: 29 - 48

4. Assessment on Previous Course Work in Calculus and Subsequent Achievement in Calculus at the Post-Secondary Level

   • Vivian Fayowski
   • Jennifer Hyndman
   • Peter D. MacMillan

   OriginalPaper 01 January 2009 Pages: 49 - 57