Secondary Math II · Module 5
Geometric Figures
Independent lesson-by-lesson companions to the MVP materials.
Open the lesson that matches the section you’re working on in class. Each one explains the section’s ideas with worked examples, helps with Ready, Set, Go, and links to other instructional resources. About these lessons
Lessons
5.1 — How Do You Know That?Convincing arguments; why triangle angles sum to 180°; straight angles and linear pairs; Ready, Set, GoHuman review pending5.2 — Do You See What I See?Reading diagrams from given information; constructions; perpendicular bisectors; Ready, Set, GoHuman review pending5.3 — It’s All In Your HeadFlow diagrams and two-column proofs; altitudes, medians, and bisectors; triangle congruence; Ready, Set, GoHuman review pending5.4 — Parallelism Preserved and ProtectedParallelism under translations, rotations, and reflections; quadrilaterals and triangle congruence; Ready, Set, GoHuman review pending5.5 — Claims and ConjecturesVertical angles, exterior angles, and parallel lines crossed by a transversal; Ready, Set, GoHuman review pending5.6 — Justification and ProofProving angle relationships; triangle congruence; absolute-value graphs; Ready, Set, GoHuman review pendingLater sections will appear as they are published. No unpublished lesson links are shown.