This book covers the development of mathematical competences in childhood. The possible difficulties when building these competences are described, as are the criteria qualifying calculation difficulties or dyslexia.The second part of the work places its emphasis on comprehensive practical methods of furthering children -developing basic mathematical skills and reducing the mathematics anxiety.Finally advice to implement these methods at school, other institutions and at home is given.

Dr. Simon is psychologist and academic assistant at the seminar for mathematics of the university of Cologne. Prof. Grünke teaches orthopedagogy and rehabilitation at the university of Cologne.