Developments in Mathematics Education in Germanspeaking
Countries
Selected Papers from the Annual Conference on Didactics of Mathematics,
Ludwigsburg, March 5 – 9, 2001
Title
Preface
Peter Bender, Paderborn
Dynamic Geometry Software (DGS) in Teacher
Education
Andreas Busse, Hamburg
How Do Upper Secondary School Students Respond
to Contextualised Tasks? First Results of an Empirical
Study
Elmar CohorsFresenborg, Christa Kaune, Osnabrück
Mechanisms of the Taking Effect of
Metacognition in Understanding Processes in Mathematics
Teaching
Willi Dörfler, Klagenfurt
Diagrams as Means and Objects of Mathematical
Reasoning
HansWolfgang Henn, Dortmund
Computer Algebra Systems – Old Wine in New
Bottles?
Gert Kadunz, Klagenfurt
Modularity and Geometry
Christine Knipping, Hamburg
Argumentations in proving discourses in
mathematics classrooms
Marianne Nolte, Hamburg
Arithmetic Disabilities of Children and Adults 
Neuropsychological approaches to mathematics teaching –
Marcus Nührenbörger, Münster
Children’s measurement thinking in the
context of length
Kristina Reiss, Aiso Heinze, Augsburg
Knowledge Acquisition in Students’ Argumentation
and Proof Processes
Edith Schneider, Klagenfurt
Computer Algebra Systems and Cultural
Coherence in Mathematics Classrooms
Christoph Selter, Heidelberg
On the Arithmetical Flexibility of Primary
School Children  Analyses Based on the Example Task
701698
Silke Thies, HansGeorg Weigand, Würzburg
Working styles of students in a computerbased
environment. Results of a DFG project
