by Michel Criton · POLE Production et organisation du loisir éducatif · tapa blanda · ISBN 9782848840284
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«L'angle mystérieux» is the mathematical games book by Michel Criton, published by POLE in paperback (89 pages, in French).
The book brings together 49 challenges inspired by the International Championship of Mathematical and Logical Games: numerical and literal calculation, plane and space geometry, areas, volumes and transformations. Aimed at secondary school students and enthusiasts, it exercises different modes of logical reasoning. Includes solutions to verify the results.
Published in 2005, the volume belongs to POLE's 'jeux, tests & maths' collection; the cover recommends it for ages 14 and over.
For autonomous learning and school reinforcement of mathematics in secondary education, as well as for fans of puzzle games.
