This article is a review of the research studies on the teaching of the metric system and measurement. The method is descriptive and the data consist of the results of research studies. All studies ...

The admirable report of Michel Lepelletier on education, found after his death, was read before the Convention, and a series of measures for a three-grade system of education — primary schools, ...

Americans have long used diverse weights and measures, reflecting their diverse origins. From colonial times, converting from one unit to another was part of courses in commercial arithmetic. The ...