Ratio and Proportion —— Research and Teaching in Mathematics Teachers' Education (Pre- and In-Service Mathematics Teachers of Elementary and Middle School Classes)

----- 比例与比例：数学教师教育的研究与教学（中小学班级的在职和在职数学教师）

ISBN: 9789460917837 出版年：2012 页码：281 David Ben-Chaim Yaffa Keret Bat-Sheva Ilany Brill

Ratio and Proportion—Research and Teaching in Mathematics Teachers’ Education offers its readers an intellectual adventure where they can acquire invaluable tools to turn teaching ratio and proportion to professionals and school children into an enjoyable experience.