Ratio and proportion [electronic resource] : research and teaching in mathematics teachers' education (pre- and in-service mathematics teachers of elementary and middle school classes) / David Ben-Chaim, Yaffa Keret, Bat-Sheva Ilany.

Part 1. Introduction -- Part One. Structure of Book and Teaching Model -- Structure of Book -- A Model For Teaching Ratio and Proportion Using Authentic Investigative Activities -- Part Two. The Oretical Background -- A Mathematical Perspective of Ratio and Proportion -- Proportional Reasoning--A Psychological-Didactical View -- Research and New Approaches in Pre- and in-Service Mathematics Teacher Education -- Part Three. Authentic Investigative Activities, Including Didactic Comments and Explanations -- Authentic Investigative Activities--Introduction -- Group 1 -- Introductory Activities -- Group 2 -- Rate Activities -- Group 3 -- Ratio Activities -- Group 4 -- Stretching and Shrinking: Scaling Activities -- Group 5 -- Indirect Proportion Activities -- Group 6 -- Additional Activities For Practice and Enrichment (All Topics) -- Part Four. Assessment Tools -- Introduction to Assessment Tools -- Questionnaire -- Attitude Toward Ratio and Proportion -- Diagnostic Questionnaire in Ratio and Proportion -- Assessing Research Reports and Building A Student Portfolio -- Part Five. Annotated Resources and Bibliography -- Annotated Resources.

Includes bibliographical references.