1. Basics of Geometry
1.6. Angle Pair Relationships
Investigating Angle Theorems - Activity A
1.7. Introduction to Perimeter, Circumference, and Area
Rectangle: Perimeter, Circumference and Area
Circle: Perimeter, Circumference and Area
2. Reasoning and Proof
2.1. Conditional Statements
Conditional Statement
2.2. Definitions and Biconditional Statements
Biconditional Statement
2.4. Reasoning with Properties from Algebra
Modeling and Solving Two-Step Equations
Solving Two-Step Equations
2.5. Proving Statements about Segments
Constructing Congruent Segments and Angles
2.6. Proving Statements about Angles
Investigating Angle Theorems - Activity B
3. Perpendicular and Parallel Lines
3.1. Lines and Angles
Construct Parallel and Perpendicular Lines
3.2. Proof and Perpendicular Lines
Investigating Angle Theorems - Activity A
3.6. Parallel Lines in the Coordinate Plane
Slope-Intercept Form of a Line - Activity A
4. Congruent Triangles
4.1. Triangles and Angles
Classifying Triangles
4.2. Congruence and Triangles
Triangle Angle Sum - Activity B
4.3. Proving Triangles are Congruent: SSS and SAS
Proving Triangles Congruent
4.4. Proving Triangles are Congruent: ASA and AAS
Proving Triangles Congruent
4.6. Isosceles, Equilateral, and Right Triangles
Bisectors in Triangles
Isosceles and Equilateral Triangles
5. Properties of Triangles
5.1. Perpendiculars and Bisectors
Construct Parallel and Perpendicular Lines
5.2. Bisectors of a Triangle
Bisectors in Triangles
5.3. Medians and Altitudes of a Triangle
Concurrent Lines, Medians, and Altitudes
5.5. Inequalities in One Triangle
Triangle Inequalities
6. Quadrilaterals
6.3. Proving Quadrilaterals are Parallelograms
Parallelogram Conditions
6.4. Rhombuses, Rectangles, and Squares
Classifying Quadrilaterals - Activity A
6.6. Special Quadrilaterals
Special Quadrilaterals
6.7. Areas of Triangles and Quadrilaterals
Area of Parallelograms - Activity B
7. Transformations
7.1. Rigid Motion in a Plane
Rotations, Reflections and Translations
Reflections
Translations
7.2. Reflections
Reflections
7.3. Rotations
Rotations, Reflections and Translations
7.4. Translations and Vectors
Translations
8. Similarity
8.1. Ratio and Proportion
Beam to Moon (Ratios and Proportions)
8.2. Problem Solving in Geometry with Proportions
Similarity in Right Triangles
8.3. Similar Polygons
Similar Figures - Activity B
8.7. Dilations
Dilations
9. Right Triangles and Trigonometry
9.1. Similar Right Triangles
Similarity in Right Triangles
9.2. The Pythagorean Theorem
Geoboard: The Pythagorean Theorem
9.3. The Converse of the Pythagorean Theorem
Pythagorean Theorem - Activity B
9.5. Trigonometric Ratios
Sine, Cosine and Tangent
Sine and Cosine Ratios - Activity B
Tangent Ratio
9.6. Solving Right Triangles
Sine and Cosine Ratios - Activity B
9.7. Vectors
Vectors
Adding Vectors
10. Circles
10.2. Arcs and Chords
Chords and Arcs
10.3. Inscribed Angles
Inscribing Angles
10.6. Equations of Circles
Circles
11. Area of Polygons and Circles
11.1. Angle Measures in Polygons
Polygon Angle Sum - Activity B
11.3. Perimeters and Areas of Similar Figures
Perimeters and Areas of Similar Figures
11.5. Areas of Circles and Sectors
Circle: Perimeter, Circumference and Area
11.6. Geometric Probability
Geometric Probability - Activity A
12. Surface Area and Volume
12.2. Surface Area of Prisms and Cylinders
Surface and Lateral Area of Prisms and Cylinders
12.3. Surface Area of Pyramids and Cones
Surface and Lateral Area of Pyramids and Cones
12.4. Volume of Prisms and Cylinders
Prisms and Cylinders - Activity A
12.5. Volume of Pyramids and Cones
Pyramids and Cones - Activity B