DRK-12 Research and Products
Publication | In this paper we focus on what happens when a task is first introduced to students as a crucial phase of instruction. We report on an empirical study of 132 middle grades mathematics teachers' instruction—in particular, the nature of the ways in…
Publication | Research on how students make sense of and use the minus sign indicates that students struggle to understand the multiple meanings of the minus sign. Teachers can support students in developing robust understanding of each interpretation of the…
Publication | Problem solving is an important skill in the knowledge economy. Research indicates that the development of problem solving skills works better in the context of instructional approaches centered on real-world problems. But students need…
Publication | The Science Teachers Learning from Lesson Analysis (STeLLA) project is a videobased analysis-of-practice PD program aimed at improving teacher and student learning at the upper elementary level. The PD program developed and utilized two “lenses…
Publication | Cullen, C. J., & Barrett, J. E., (2010) Strategy use indicative of an understanding of units of length. In M. Pinto & T. Kawasaki (Eds.), Proceedings of the 34th Annual Conference of the International Group for the Psychology of…
Publication | “Help! I’m stuck!” How many times have you heard a student make a similar plea? What do you consider when deciding how to respond? What reasoning is most productive? As part of a large research project, we explored these questions with 131…
Publication | Evaluation work is presented and discussed in terms of evaluative requirements from the National Science Foundation, and in terms of five fundamental issues that undergird practical program evaluation: social programming, knowledge construction…
Publication | In this article, we describe aspects of mathematical language that could be problematic to English-language learners, provide recommendations for teaching English-language learners, and suggest activities intended to foster language development…
Learning to Teach Mathematics in Urban High Schools: Untangling the Threads of Interwoven Narratives
Publication | In this article, the authors explore learning about equity pedagogy in mathematics by focusing on the experiences of a teacher and teacher educator within the Centering the Teaching of Mathematics on Urban Youth project. One…
Presentation | Project overview poster presented at 2010 DrK-12 PI meeting.
Presentation | This is a research paper presentation.