Pourquoi Alex ne peut pas additionner (ou soustraire, multiplier ou diviser)
Margaret Wente, Globe and Mail (…) Lots of teachers are upset, too. Here’s part of a letter to Anna Stokke, another math professor who, with Prof. Craigen, has launched a reform movement to restore some common sense to math education. (Their site, wisemath.org, is worth a visit.) « I feel what is occurring in the schools…