GRIP Lab at University of Michigan provides infrastructure for the GeT: A Pencil community and organizes the GeT: A Pencil online seminars. These free, interactive seminars are an opportunity to exchange knowledge and information among community members and colleagues.
Investigation sequences in dynamic geometry for a GeT course: the case of similarity
The Teaching and Learning of Geometric Proof: Roles of the Textbook and the Teacher
Making Advanced Mathematics Work for Secondary Teacher Education
Dynamic Geometry Tasks to Promote Reasoning in Geometry
GeT SLO’ing: An Exploration Incorporating the GeT Student Learning Objectives (SLOs)
Including Pedagogy in a Geometry for Teachers Course
Introduction to FullProof – Computer based environment for teaching and learning deductive geometric proofs.
Teaching with Ethnomathematics: Power Curves to the People
Geometry in the Common Core State Standards
How to Build Basic Logic on the Foundation of Mathematical Categories and Language
The geometry of sunlight: An examination of naturally occurring parallel lines and the mathematical investigations they inspire
Transformational geometry, one part of transforming geometry instruction
Secondary Geometry for Mathematicians and Educators
Diagrams in Euclidean Geometry: Logical, Philosophical, and Pedagogical Considerations
Animated Contrasting Cases in Geometry (AC2inG): The Design of New Geometry Curricular Modules
What geometry should secondary teachers learn, and what geometry should they teach?
Actively Building Geometry from the Ground Up
Reporting on the MKT-G Results from the Geometry for Teachers (GeT) Students
Experiencing Hyperbolic Geometry