Shows
Math Ed PodcastEpisode 1910: Eva ThanheiserEva Thanheiser from Portland State University discusses her article, "Leveraging variation of historical number systems to build understanding of the base-ten place-value system," published in ZDM Mathematics Education, Volume 51. (Co-author: Kathleen Melhuish)
Eva's Professional Webpage
Mathematics Teacher Educator Podcast
Complete list of episodes2019-06-2024 min
Mathematics Teacher Educator PodcastEpisode 5: The Student Discourse Observation Tool: Supporting Teachers in Noticing Justifying and GeneralizingIn classrooms, students engage in argumentation through justifying and generalizing. However, these activities can be difficult for teachers to conceptualize and therefore promote in their classrooms. In this article, we present the Student Discourse Observation Tool (SDOT) developed to support teachers in noticing and promoting student justifying and generalizing. The SDOT serves the purpose of (a) focusing teacher noticing on student argumentation during classroom observations, and (b) promoting focused discussion of student discourse in teacher professional learning communities. We provide survey data illustrating that elementary-level teachers who participated in professional development leveraging the SDOT had richer conceptions of justifying...2019-06-1224 min