The purpose of this review was to synthesize research on the effect of professional development (PD) targeting data-based decision-making processes on teachers' knowledge, skills, and self-efficacy related to curriculum-based measurement (CBM) and data-based decision-making (DBDM). To be eligible for this review, studies had to: (1) be published…

Reviews current research on brain-behavior relationships in disabilities of arithmetic and mathematical reasoning from both a neurological and a neuropsychological perspective. Defines developmental dyscalculia and the developmental importance of right versus left hemisphere integrity for the mediation of arithmetic learning and explores…

Discusses the development of informal mathematics in young children, the problems with formal mathematics instruction, how the traditional approach fails to address mathematics learning disabilities, and how a developmental perspective can assist in the identification and treatment of students with mathematics learning disabilities. (CR)

Discusses factors that contribute to students with learning disabilities having difficulty acquiring and retaining math skills. Factors include national reform movements that have influenced math instruction, inclusion, characteristics of students with learning disabilities, and poor mathematics curricula and instruction. Recommendations for…