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| Lesson 1-1: Basic Geometric Figures |
| Lesson 1-2: More Geometric Figures |
| Lesson 2-1: Inductive Reasoning |
| Lesson 2-2: Deductive Reasoning |
| Lesson 3-1: Geometric Definitions and Two-Column Proofs |
| Lesson 3-2: Conditional Statements |
| Lesson 3-3: Converse, Inverse, and Contrapositive |
| Lesson 4-1: Segments and Midpoints |
| Lesson 4-2: Angles and Angle Bisectors |
| Lesson 5-1: Distance on the Coordinate Plane |
| Lesson 5-2: Midpoint on the Coordinate Plane |
| Lesson 6-1: Justifying Statements |
| Lesson 6-2: Two-Column Geometric Proofs |
| Lesson 7-1: Parallel Lines and Angle Relationships |
| Lesson 7-2: Proving Lines are Parallel |
| Lesson 7-3: Perpendicular Lines |
| Lesson 8-1: Slopes of Parallel and Perpendicular Lines |
| Lesson 8-2: Writing Equations |
| Lesson 9-1: Transformations |
| Lesson 9-2: Translations |
| Lesson 9-3: Reflection |
| Lesson 9-4: Rotations |
| Lesson 10-1: Compositions of Transformations |
| Lesson 10-2: Congruence |
| Lesson 11-1: Congruent Triangles |
| Lesson 11-2: Congruence Criteria |
| Lesson 11-3: Proving and Applying the Congruence Criteria |
| Lesson 11-4: Extending the Congruence Criteria |
| Lesson 12-1: Flowchart Proofs |
| Lesson 12-2: Three Types of Proofs |
| Lesson 13-1: Angle Relationships in Triangles |
| Lesson 13-2: Isosceles Triangles |
| Lesson 14-1: Altitudes of a Triangle |
| Lesson 14-2: Medians of a Triangle |
| Lesson 14-3: Perpendicular Bisectors and Angle Bisectors of a Triangle |
| Lesson 15-1: Kites and Triangle Midsegments |
| Lesson 15-2: Trapezoids |
| Lesson 15-3: Parallelograms |
| Lesson 15-4: Rectangles, Rhombuses, and Squares |
| Lesson 16-1: Proving a Quadrilateral is a Parallelogram |
| Lesson 16-2: Proving a Quadrilateral is a Rectangle |
| Lesson 16-3: Proving a Quadrilateral is a Rhombus |
| Lesson 16-4: Proving a Quadrilateral is a Square |
| Lesson 17-1: Dilations |
| Lesson 17-2: Similarity Transformations |
| Lesson 17-3: Properties of Similar Figures |
| Lesson 18-1: Similarity Criteria |
| Lesson 18-2: Using Similarity Criteria |
| Lesson 18-3: Triangle Proportionality Theorem |
| Lesson 19-1: The Right Triangle Altitude Theorem |
| Lesson 19-2: The Geometric Mean |
| Lesson 20-1: Pythagorean Theorem |
| Lesson 20-2: Converse of the Pythagorean Theorem |
| Lesson 21-1: 45°-45°-90° Triangles |
| Lesson 21-2: 30°-60°-90° Triangles |
| Lesson 22-1: Similar Right Triangles |
| Lesson 22-2: Trigonometric Ratios |
| Lesson 22-3: Using Trigonometric Ratios |
| Lesson 22-4: Solving Right Triangles |
| Lesson 23-1: The Law of Sines |
| Lesson 23-2: The Ambiguous Case |
| Lesson 23-3: The Law of Cosines |
| Lesson 23-4: Solving Triangles |
| Lesson 24-1: Circle Basics |
| Lesson 24-2: Theorems About Chords |
| Lesson 24-3: Tangent Segments |
| Lesson 25-1: Arcs and Central Angles |
| Lesson 25-2: Inscribed Angles |
| Lesson 25-3: Angles Formed by Chords |
| Lesson 25-4: Angles Formed by Tangents and Secants |
| Lesson 26-1: Proving the Midpoint Formula |
| Lesson 26-2: Proofs About Slope |
| Lesson 26-3: Proving Concurrency of Medians |
| Lesson 26-4: Points Along a Line Segment |
| Lesson 27-1: Circles on the Coordinate Plane |
| Lesson 27-2: Completing the Square to Find the Center and Radius of a Circle |
| Lesson 28-1: Parabolas on the Coordinate Plane |
| Lesson 28-2: Parabolas with Vertex (h, k) |
| Lesson 29-1: Constructions with Segments and Angles |
| Lesson 29-2: Constructions with Parallel and Perpendicular Lines |
| Lesson 29-3: Constructions with Circles |
| Lesson 30-1: Areas of Rectangles and Parallelograms |
| Lesson 30-2: Areas of Triangles |
| Lesson 30-3: Areas of Rhombuses and Trapezoids |
| Lesson 31-1: Sum of the Measures of the Interior Angles of a Polygon |
| Lesson 31-2: Regular Polygons and Exterior Angles |
| Lesson 31-3: Area and Perimeter of Regular Polygons |
| Lesson 32-1: Circumference and Area of a Circle |
| Lesson 32-2: Sectors and Arcs |
| Lesson 32-3: Circles and Similarity |
| Lesson 33-1: Prisms and Pyramids |
| Lesson 33-2: Cylinders and Cones |
| Lesson 33-3: Spheres and Solids of Rotation |
| Lesson 34-1: Surface Area of Prisms and Cylinders |
| Lesson 34-2: Volume of Prisms and Cylinders |
| Lesson 35-1: Surface Area of Pyramids and Cones |
| Lesson 35-2: Volume of Pyramids and Cones |
| Lesson 35-3: Density |
| Lesson 36-1: Surface Area of Spheres |
| Lesson 36-2: Volume of Spheres |
| Lesson 36-3: Spherical Geometry |
| Lesson 37-1: Cubes and Spheres |
| Lesson 37-2: Pyramids and Cylinders |
| Lesson 38-1: Probability of a Single Event |
| Lesson 38-2: Events Involving “And” and “Or” |
| Lesson 39-1: Using a Venn Diagram to Represent a Sample Space |
| Lesson 39-2: Using Venn Diagrams to Represent “And,” “Or,” and “Not” |
| Lesson 40-1: Applying the Addition Rule |
| Lesson 40-2: Adapting the Addition Rule for Mutually Exclusive Events |
| Lesson 41-1: Understanding Conditional Probability |
| Lesson 41-2: The Conditional Probability Formula |
| Lesson 41-3: Tree Diagrams |
| Lesson 42-1: The Multiplication Rule |
| Lesson 42-2: Geometric Probability |
| Lesson 42-3: Permutations and Combinations |