As the content knowledge of the world grows, so do the demands placed upon our educational system. These demands come from a variety of sources--local, state, national, and corporate agencies. Critical to meeting these demands are the knowledge, skills, and practices teachers need to educate today's youth. Researchers in the area of teachers'…

The authors of this article collaborated with fourth-grade teachers from two schools to support implementation of a research-based fraction and decimal curriculum (Rational Number Project: Fraction Operations and Initial Decimal Ideas). Through this study, they identified five indicators of rich conceptual understanding of decimals, which are…

With the adoption of the "Common Core State Standards for Mathematics" (CCSSM), the process of mathematical modeling has been given increased attention in mathematics education. This article reports on a study intended to inform the implementation of modeling in classroom contexts by examining students' interactions with the process of…

In this paper, we report on teachers' use of curricula and other instructional resources to address Common Core State Standards (CCSS), as well as how use of instructional materials is related to instructional practice. We draw on data from the American Teacher Panel, a nationally representative sample of teachers who periodically provide…

This study sought to identify the relationships among elementary teachers instructional practices in mathematics pre- and post-CCLS implementation in relation to technological and pedagogical content knowledge (TPACK), formative assessment, reflective practice, receptivity to change, academic optimism, and instructional leadership across age,…

We seek to understand how teachers that do not share a heritage language with their students can leverage these languages in literacy instruction. This study reports on 5 teachers' implementation of a literacy activity that uses strategic collaborative translation to facilitate middle school English language learners' (ELLs) understandings about…

Adoption of the Common Core State Standards present challenges to school districts, school administrators, and teachers. To assist in this endeavor, we present our work on unpacking the CCSS-M for the length, area, and volume Learning Trajectory (LT). The overarching theme of "genetic epistemology" and a five-characteristic framework…

This resource is part of a series produced by the Center for Standards and Assessment Implementation (CSAI) to assist teachers and those who support teachers to plan teaching and learning from College and Career Ready Standards (CCRS) for all students, including students with disabilities, English learners, academically at-risk students, students…