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Moving Next Generation Science Standards into Practice: A Middle School Ecology Unit and Teacher Professional Development Model
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Schools and teachers face unprecedented challenges in meeting the ambitious goals of integrating core interdisciplinary science ideas with science and engineering practices as described in new standards. This…
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The goal of this CAREER program of research is to identify, from a cross-cultural perspective, essential Algebraic Knowledge for Teaching (AKT) that will enable elementary teachers to better develop students'…
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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…