What mathematics should students learn?
The role of Euclidean geometry in high school
Studies of sudents and teachers
An exploration of strategies used by students to solve problems with multiple ways of solution
''Buggy algorithms'' as attractive variants
Hatano, G.; Amaiwa, S.; Inagaki, K.
Connections and confusion: teaching perimeter and area with a problem-solving oriented unit
An analysis of young children's strategies and use of devices for length measurement
Boulton-Lewis, G.M.; Wilss, L.A.; Mutch, S.L.