In this paper, we describe a rural school-university 22 year partnership. The partnership serves students with disabilities and students at-risk for being classified with a disability. Despite personnel changes, the undergraduate teacher candidates have consistently provided intense instruction to their assigned students. Electronic surveys were…

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…