This report presents findings from an evaluation of the Air Tutors math program during the 2023-24 school year in two school districts: District A in Colorado and District B in Texas. It examines student participation rates and the program's impact on math achievement as measured by both state standardized summative assessments and district-level…

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'…

This paper describes a classroom teaching experiment conducted in three fifth-grade mathematics classrooms with students of different achievement levels. Virtual fraction manipulative concept tutorials were used in three one-hour class sessions to investigate the learning characteristics afforded by these technology tools. The virtual fraction…