DRK-12 Research and Products
Publication | The high-performance liquid chromatography (HPLC) experiment, most often done in the undergraduate analytical instrumentation laboratory course, generally illustrates reversed-phase chromatography using a commercial C18 silica column. To avoid…
Presentation | Measurement is a critical component of mathematics education, but research on the learning and teaching of measurement is limited, especially compared to topics such as number and operations. To contribute to the establishment of a research…
Publication | This article presents our plans and initial work to explore how mathematics teacher education programs can prepare teachers for diverse middle grades classrooms. It describes the start-up of a five-year National Science Foundation project to…
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…