### 1: Basics of Geometry

#### 1.1: Finding and Describing patterns

Finding Patterns

### 2: Segments and Angles

#### 2.4: Vertical Angles

Investigating Angle Theorems - Activity A

#### 2.5: If-Then Statements and Deductive Reasoning

Conditional Statement

### 4: Triangle Relationships

#### 4.1: Classifying Triangles

Classifying Triangles

#### 4.2: Angle Measures of Triangles

Triangle Angle Sum - Activity B

#### 4.3: Isosceles and Equilateral Triangles

Isosceles and Equilateral Triangles

#### 4.4: The Pythagorean Theorem and the Distance Formula

Distance Formula - Activity A

Geoboard: The Pythagorean Theorem

Pythagorean Theorem - Activity A

#### 4.5: The Converse of the Pythagorean Theorem

Pythagorean Theorem - Activity B

#### 4.7: Triangle Inequalities

Triangle Inequalities

### 5: Congruent Triangles

#### 5.2: Proving Triangles are Congruent: SSS and SAS

Proving Triangles Congruent

#### 5.4: Hypotenuse-Leg Congruence Theorem: HL

Congruence in Right Triangles

#### 5.7: Reflections and Symmetry

Reflections

### 6: Quadrilaterals

#### 6.3: Showing Quadrilaterals are Parallelograms

Parallelogram Conditions

#### 6.4: Rhombuses, Rectangles, and Squares

Classifying Quadrilaterals - Activity B

Proving Triangles Congruent

### 7: Similarity

#### 7.1: Ratio and Proportion

Beam to Moon (Ratios and Proportions)

#### 7.2: Similar Polygons

Similar Polygons

#### 7.5: Proportions and Similar Triangles

Perimeters and Areas of Similar Figures

#### 7.6: Dilations

Dilations

### 8: Polygons and Area

#### 8.2: Angles in Polygons

Polygon Angle Sum - Activity A

#### 8.3: Area of Squares and Rectangles

Rectangle: Perimeter and Area

#### 8.4: Area of Triangles

Area of Parallelograms - Activity B

#### 8.5: Area of Parallelograms

Area of Parallelograms - Activity A

#### 8.7: Circumference and Area of Circle

Circle: Circumference and Area

### 9: Surface Area and Volume

#### 9.2: Surface Area of Prisms and Cylinders

Surface and Lateral Area of Prisms and Cylinders

#### 9.3: Surface Area of Pyramids and Cones

Surface and Lateral Area of Pyramids and Cones

#### 9.4: Volume of Prisms and Cylinders

Prisms and Cylinders - Activity B

#### 9.5: Volume of Pyramids and Cones

Pyramids and Cones - Activity B

### 10: Right Triangles and Trigonometry

#### 10.1: Simplifying Square Roots

Simplifying Radicals - Activity B

#### 10.4: Tangent Ratio

Tangent Ratio

#### 10.5: Sine and Cosine Ratios

Sine and Cosine Ratios - Activity B

### 11: Circles

#### 11.5: Inscribed Angles and Polygons

Inscribing Angles

#### 11.6: Properties of Chords

Chords and Arcs

#### 11.7: Equations of Circles

Circles