Triangle Theory Building
Students build a theory of triangles by listing claims, constructing proof trees through assumption digging, and discovering definitions, axioms, and the structure of mathematical reasoning.
Grades 8-11
Triangle Theory Building: Teacher Guide
Teacher Guide · 3-4 sessions
Triangle Theory Building: Student Handout
Student Handout · 3-4 sessions
Triangle Theory Building: Key Episodes
Key Episodes
Triangle Theory Building: Assessment
Assessment