1. Editorial

   • Norma Presmeg

   EditorialNotes 08 December 2009 Pages: 1 - 2

2. Geometrical representations in the learning of two-variable functions

   • Maria Trigueros
   • Rafael Martínez-Planell

   OriginalPaper 24 June 2009 Pages: 3 - 19

   

3. Thinking aloud together: A teacher’s semiotic mediation of a whole-class conversation about percents

   • Sam Shreyar
   • Betina Zolkower
   • Silvia Pérez

   OriginalPaper 25 July 2009 Pages: 21 - 53

   

4. Developing a ‘leading identity’: the relationship between students’ mathematical identities and their career and higher education aspirations

   • Laura Black
   • Julian Williams
   • Geoff Wake

   OriginalPaper 25 November 2009 Pages: 55 - 72

5. Obituary Giorgio Tomaso Bagni (1958–2009)

   • Bruno D’Amore

   EditorialNotes 10 November 2009 Pages: 73 - 74

   

6. Mathematics and positive sciences: a reflection following Heidegger

   • Giorgio T. Bagni

   OriginalPaper 07 November 2009 Pages: 75 - 85

7. Book review: Summing up mathematics teacher education

   • Kenneth Ruthven

   BookReview 02 September 2009 Pages: 87 - 97

8. Book review: Teacher-centredness and student-centredness under interrogation

   • Margaret Anne Walshaw

   BookReview 02 December 2009 Pages: 99 - 103