Proof as answer to the question why
(Tommy Dreyfus, Nurit Hadas)   p. 1-5
Abstract 

The paper-folder's link between geometry and number theory 
(Peter Hilton, Jean Pedersen)    p. 6-16
Abstract 

Chaosspiel und Cantor-Staub (Chaos game and Cantor dust) 
(Herbert Zeitler)    p. 17-24
Abstract 

Book reviews

Jaworski, B.: Investigating mathematics teaching
(Stephen Lerman)    p. 25-27

Maier, P.H.: Räumliches Vorstellungsvermögen. Komponenten, geschlechtsspezifische Differenzen, Relevanz, Entwicklung und Realisierung in der Realschule (Spatial imagination) 
(Kurt Peter Müller)   p. 28-30 

Vollrath, H.-J.: Algebra in der Sekundarstufe (Algebra at secondary level) 
(Günter Pickert)   p. 31-33

Information

A new journal covered by ZDM 
p. 34

Addresses of contributors
p. 34

    
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