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Most students learn about negative numbers long after they have learned about positive numbers, and they have little time or opportunity to build on their prior understanding by contrasting the two concepts. The…
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This project is documenting how students with learning disabilities (LD) access and advance their conceptual understanding of fractions.  Rather than focusing on the knowledge students do not have,…
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This project will address two obstacles that hinder elementary science instruction: (1) a lack of content-specific teaching knowledge (e.g., research on effective topic-specific instructional strategies); and (2…
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This project will use classroom-based research to teach children about important algebraic concepts and to carefully explore how children come to understand these concepts. The primary goal is to identify levels…
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Advancing Reasoning addresses the lack of materials for teacher education by investigating pre-service secondary mathematics teachers' quantitative reasoning in the context of secondary mathematics concepts…
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This program of research will examine how middle school pre-service teachers' knowledge of mathematical argumentation and proving develops in teacher preparation programs. The project explores the research…
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This project will research the programmatic changes that resulted from the NSF investment in Centers for Learning and Teaching of Mathematics (CLT) at the 31 participating institutions. It will provide…
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This project will study the influence on positive student achievement and engagement (particularly among populations traditionally under-represented in computer science) of an intervention that integrates a…
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This research investigates student mathematics learning outcomes at the elementary level in relation to teacher expertise (elementary teachers with math specialist certification versus generally prepared…
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Computational and algorithmic thinking are new basic skills for the 21st century. Unfortunately few K-12 schools in the United States offer significant courses that address learning these skills. However many…
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This project will address widespread misunderstandings related to evolution by developing and testing a new high school curriculum unit and assessment measures focusing on biological evolution.  The new…
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Using design-based research, with teachers as design partners, the project will create and refine project-based, hands-on robotics curricula such that science and math content inherent in robotics and related…
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This project will develop and investigate the opportunities and limitations of Focus on Energy, a professional development (PD) system for elementary teachers (grades 3-5). The PD will contain: resources that…
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The Graphing Research on Inquiry with Data in Science (GRIDS) project will investigate strategies to improve middle school students' science learning by focusing on student ability to interpret and use graphs.…
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The investigators propose to characterize the multitude of approaches currently employed in the professional development of K-12 teachers of science, and to measure the effectiveness of such approaches in…
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This project examines the potential of two research-based and college-tested active learning strategies in high school classrooms: Process Oriented Guided Inquiry Learning (POGIL) and Peer Instruction by…
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Despite the tremendous growth in the availability of mathematics videos online, little research has investigated student learning from them. The goal of this exploratory project is to create, investigate, and…
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Science in the Learning Gardens (SciLG) designs and implements curriculum aligned with Next Generation Science Standards (NGSS) and uses school gardens as learning contexts in grade 6 (2014-2015), grade 7 (2015-…
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This descriptive study will systematically track key instructional indicators in middle school mathematics classrooms, specifically, teachers' mathematical knowledge, the curriculum in place, and the nature of…
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This project utilizes existing citizen science programs as springboards for professional development for teachers during an intensive summer workshop. The project curriculum helps teachers use student…