
In 1978, in the foreword to Weeding and Sowing: A Preface to a Science of Mathematics Education , Hans Freudenthal wrote that his book is a preface to a science that does not exist. Almost 20 years later, does his claim still hold true? The present book is the result of the reflection...

No one disputes how important it is, in today's world, to prepare students to un- derstand mathematics as weII as to use and communicate mathematics in their future lives. That task is very difficult, however. Refocusing curricula on funda- mental concepts, producing new teaching...