1. Editorial

   • Gabriele Kaiser

   Editorial 16 February 2007 Pages: 1 - 2

2. Hans-Georg Steiner: a life dedicated to the development of didactics of mathematics as a scientific discipline

   • Rolf Biehler
   • Andrea Peter-Koop

   Original article 21 February 2007 Pages: 3 - 30

   

3. Reform of the construction of the number system with reference to Gottlob Frege

   • Heinz Griesel

   Original article 24 January 2007 Pages: 31 - 38

4. Towards an authentic teaching of mathematics: Hans-Georg Steiner’s contribution to the reform of mathematics teaching

   • Hans-Joachim Vollrath

   Original article 15 February 2007 Pages: 39 - 50

   

5. Game and decision theory in mathematics education: epistemological, cognitive and didactical perspectives

   • Roland W. Scholz

   Original article 14 February 2007 Pages: 51 - 61

6. Semiotic mediation: fragments from a classroom experiment on the coordination of spatial perspectives

   • Maria G. Bartolini Bussi

   Original article 19 January 2007 Pages: 63 - 71

   

7. Visualisation and proof: a brief survey of philosophical perspectives

   • Gila Hanna
   • Nathan Sidoli

   Original article 24 January 2007 Pages: 73 - 78

   

8. Proofs and hypotheses

   • Hans Niels Jahnke

   Original article 02 February 2007 Pages: 79 - 86

   

9. Using large scale data creatively: implications for instruction

   • Gilah C. Leder

   Original article 30 January 2007 Pages: 87 - 94

10. Epistemology of mathematical knowledge and teacher–learner interaction

    • Heinz Steinbring

    Original article 02 February 2007 Pages: 95 - 106

    

11. Documents on the mathematical education of Edmund Külp (1800–1862), the mathematics teacher of Georg Cantor

    • Gert Schubring

    Original article 10 February 2007 Pages: 107 - 118

12. The mutual influence of theory and practice in mathematics education: implications for research and teaching

    • Luciana Bazzini

    Original article 25 January 2007 Pages: 119 - 125

    

13. The onto-semiotic approach to research in mathematics education

    • Juan D. Godino
    • Carmen Batanero
    • Vicenç Font

    Original article 04 January 2007 Pages: 127 - 135

    

14. Towards theoretical foundations of mathematics education

    • Colette Laborde

    Original article 08 February 2007 Pages: 137 - 144

15. Developing a theory of mathematical growth

    • David O. Tall

    Original article 03 January 2007 Pages: 145 - 154

16. A contemporary analysis of the six “Theories of Mathematics Education” theses of Hans-Georg Steiner

    • Günter Törner
    • Bharath Sriraman

    Original article 24 January 2007 Pages: 155 - 163

17. Didactics of mathematics: more than mathematics and school!

    • Rudolf Straesser

    Original article 10 February 2007 Pages: 165 - 171

    

18. The role of mathematics in educational systems

    • Ubiratan D’Ambrosio

    Original article 26 January 2007 Pages: 173 - 181

19. From solving equations to the meaning of life: mathematics, rationality and values

    • Shlomo Vinner

    Original article 24 January 2007 Pages: 183 - 189

20. Robert J. Sternberg, David D. Preiss (Eds.): Intelligence and technology: the impact of tools on the nature and development of human abilities

    • Bharath Sriraman
    • Luis Moreno-Armella

    Book review 24 January 2007 Pages: 191 - 194