Learning goals: Teacher Facing Compare and contrast (orally and in writing) features of prisms and pyramids. Comprehend and use the words “face”, “edge”, “vertex”, and “base” to describe polyhedra (in spoken and written language). Understand that the word “net” refers to a two-dimensional figure that can be assembled into a polyhedron, and create a net for a given polyhedron. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 6.1 Area and Surface Area, Grade 6.