id: 05724272 dt: a an: 2010c.00016 au: Rygał, Grażyna ti: Development of mathematical thinking of pupils at all educational levels. so: Billich, Martin (ed.) et al., Teaching mathematics. Innovation, new trends, research. Proceedings from the 15th Slovak-Czech-Polish mathematical school, Spišské, Podhradie, Slovakia, June 4‒8, 2008. Ružomberok: Catholic University, Pedagogical Faculty (ISBN 978-80-8084-418-9/pbk). Scientific Issues, 255-260 (2009). py: 2009 pu: Ružomberok: Catholic University, Pedagogical Faculty la: EN cc: A20 G20 G40 D40 ut: matematical thinking; mathematical games; propaedeutics; geometry ci: li: ab: Summary: We discuss mathematical games developing logical thinking of pupils by using exercises with the Möbius strip and spirals. rv: Antoni Chronowski (Krakow)