Magnitude understanding is critical for students to develop a deep understanding of fractions and more advanced mathematics curriculum. The research reports in this special issue underscore magnitude understanding for fractions and emphasize number lines as both an assessment and an instructional tool. In this commentary, we discuss how number…

This article reviews key findings from school-reform studies of the 1980s on sustained use of effective teacher practices in the classroom and explains their relevance to special education. Recent findings are also highlighted and unresolved issues are identified. An appendix lists sustainability factors and issues. (Contains references.)…

This article presents research-based examples of effective instructional approaches for improving the quality of stories and essays written by students with learning disabilities. A common goal of the studies examined was to teach students how to organize writing tasks, generate ideas about the writing topics, and produce final written products…