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Teachers’ support of students’ instrumentation in a collaborative, dynamic geometry environment Alqahtani, M. M., & Powell, A. B. (2015). Teachers’ support of students’ instrumentation in…
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Tasks promoting productive mathematical discourse in collaborative digital environments Powell, A. B., & Alqahtani, M. M. (2015). Tasks promoting productive mathematical discourse in…
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Instrumental development of teachers’ reasoning in dynamic geometry Alqahtani, M. M., & Powell, A. B. (2015, March). Instrumental development of teachers’ reasoning in dynamic geometry.…
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Promoting productive mathematical discourse: Tasks in collaborative digital environments Powell, A. B., & Alqahtani, M. M. (2015). Promoting productive mathematical discourse: Tasks in…
PI Meeting Session
Teachers Extending Their Knowledge in Online Collaborative Learning Environments: Opportunities and Challenges Join two projects to discuss the challenges and opportunities afforded through…
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Teachers' Understandings of Realistic Contexts to Capitalize on Students' Prior Knowledge The theory of realistic mathematics education establishes that framing mathematics problems…
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Scaffolding Scientific Thinking: Students’ Evaluations and Judgments During Earth Science Knowledge Construction Critical evaluation underpins the practices of science. In a three-year…
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Thinking Scientifically in a Changing World Shifting people’s judgments toward the scientific involves teaching them to purposefully evaluate connections between evidence and alternative…
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Addressing Misconceptions in Secondary Geometry Proof Cirillo, M. & Hummer, J. (2019). Addressing misconceptions in secondary geometry proof. Mathematics Teacher, 112(6…
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Linear Algebra and Geometry Linear Algebra and Geometry is organized around carefully sequenced problems that help students build both the tools and the habits that provide a solid basis for…
Poster
CAREER: Proof in Secondary Classrooms: Decomposing a Central Mathematical Practice Click image to preview: PISC…
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Building Mathematical Knowledge for Teaching Proof in Geometry Presentation slides and handout from the 2019 NCTM Regional Conference in Nashville, TN.…
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Engaging Students with Non-routine Geometry Proof Tasks Students who earned high marks during the proof semester of a geometry course were interviewed to understand what high-achieving…
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Competencies and Behaviors Observed When Students Solve Geometry Proof Problems: An Interview Study with Smartpen Technology This peer-reviewed research journal publication addresses one of…
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Animated Contrasting Cases in Geometry In this collection of materials, four geometric topics are covered in animated, digital materials. There are also paper-based materials for the four…
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Contrasting Cases in Geometry: Think Alouds with Students about Transformations There is strong empirical evidence in support of learning from comparisons in mathematics education research (…
Event
2010 NCTM Regional Meeting and Exposition - Denver Regional Conferences feature more than 200 presentations offering quality professional development at locations throughout North America.…
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2010 NCTM Regional Meeting and Exposition - Baltimore Regional Conferences feature more than 200 presentations offering quality professional development at locations throughout North America.…
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2010 NCTM Regional Meeting and Exposition - New Orleans Regional Conferences feature more than 200 presentations offering quality professional development at locations throughout North America…
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2011 NCTM Annual Meeting and Exposition For more information on the 2011 NCTM Annual Meeting and Exposition, visit the NCTM website. For more information on proposal submission, click here.…
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NCSM Conference Whether you're a first-timer or a veteran of NCSM Annual Conferences, join us for three exciting days focused on important issues for leaders in mathematics education. NCSM's…
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National AMTE Conference The Fourteenth Annual Conference of the Association of Mathematics Teacher Educators (AMTE) will be held in Irvine, California from Thursday, January 28 through…
PI Meeting Session
Training Teachers in the Effective Mathematical and Pedagogical Uses of Software: Perspectives from the Dynamic Number and Dynamic Geometry in Classrooms Projects This presentation explores…
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Randomized Control Trials on the Dynamic Geometry Approach Jiang, Z., White, A. & Rosenwasser, A. (2011).  Randomized Control Trials on the Dynamic Geometry Approach.  Journal of…
PI Meeting Session
Professional Development Materials to Support Geometry Learning and Instruction, the Common Core Standards, and English Language Learners Two projects that are investigating how middle school…
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An Efficacy Study on the Use of Dynamic Geometry Software Jiang, Z. & White, A. (2012). An efficacy study on the use of dynamic geometry software. In the Proceedings of the 12th…
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Illuminating Coordinate Geometry with Algebraic Symmetry A symmetric polynomial is a polynomial in one or more variables in which swapping any pair of variables leaves the polynomial unchanged…