This article aims to contribute to the theory of mathematics instruction by highlighting and analysing Leen Streefland's work as a teacher in a primary school. Core ideas of Streefland's are discussed ...

This article is written from our perspective as both researchers and mathematics teacher educators, and describes how our knowledge has grown as we engage concurrently in both teaching and research.

More than half of U.S. states now recognize that their traditional approaches, including math tracking, often advantage an elite few while overlooking the needs of the broader student population.

This article is part of the collection: A Decade in Review: Reflections on 10 Years in Education Technology. This op-ed is part of a series of reflections on the past decade in education technology.