This study was designed to determine what change the i-Ready math tutorial videos had on math performance, self-efficacy, and math anxiety with middle school math students. In addition, the study determined the student perception of the effectiveness of the i-Ready math tutorial videos. The purpose was to help educators identify a specific tool…

This dissertation explores fifth and eighth grade students' interpretations of three kinds of mathematical representations: number lines, the Cartesian plane, and graphs of linear functions. Two studies were conducted. In Study 1, I administered the paper-and-pencil Linear Representations Assessment (LRA) to examine students'…

One factor underlying the use of information and communications technologies (ICT) in schools is the interest and willingness of teachers to learn and adopt these technologies in their teaching. Previous studies of geographic information systems (GIS), as one type of ICT, indicate that the lack of teacher training is one of the key barriers to…