Build students' fluency with core geometry skills and concepts—logical reasoning and two-column and paragraph proofs, congruence and similarity, triangle relationships, circles, quadrilaterals and polygons, coordinate geometry, transformations, right-triangle trigonometry, and area, surface area, and volume—and their ability to move between different representations of the same idea (diagrammatic, symbolic, and algebraic). Plan lessons and prepare materials (practice sets, review guides, worked problem sets, proof-writing practice, construction and diagram exercises, exam-style questions, and structured exam-prep schedules as test dates approach).