Games for integers – Games for integers PME95 More games for integers – MoreGamesforIntegers_PME98 On the epistemology of integers – Integers Recherches Abstract These papers, two in PME and one in Recherche en didactique des mathématiques, focus on the question why minus times minus make plus? Can we say that Freudenthal and Dienes were looking for explanations of Read more about On integers[…]