Chapter 1: Tools of Geometry
1-1: Nets and Drawings for Visualizing Geometry Drawing Nets Isometric Drawing Activity for High School Geometry- Jeffrey Bannish Basics of Orthographic Projection - The Info World
1-2: Points, Lines and Planes Points, Lines and Planes - Khan Academy
1-3: Measuring Segments Measuring Segments on a Number Line - Khan Academy
1-4: Measuring Angles Measuring Angles - Brightstorm How to Use a Protractor - Christian Meglio
1-5:Exploring Angle Pairs Exploring Angle Pairs - Easymathtutorials Angle Relationships Example - Khan Academy Complementary & Supplementary Angles - Khan Academy
1-6: Basic Constructoins Constructions - Mathisfun Perpendicular Bisector - Khan Academy Angle Bisector - Khan Academy
1-7: Midpoint and Distance on the Coordinate Plane Distance Formula - Khan Academy Midpoint Formula - Khan Academy Pythagorean Theorem and Distance Formula Between Two Points - Trigonometry - The Organic Chemistry Tutor
1-8: Perimeter, Circumference and Area Perimeter, Circumference and Area - WaltersSylvia (Youtube)
Chapter 2: Reasoning and Proof
2-1: Patterns and Inductive Reasoning Inductive Reasoning - Khan Academy
2-2: Conditional Statements Conditional, Inverse, Converse, Contrapositive, and Biconditional Statements - youtube
2-3: Biconditional and Definitions For help with biconditionals, see lesson 2-2 link above. Good Definitions - youtube
2-4: Deductive Reasoning Law of Detachment and Law of Syllogisms - sophia.org
2-5: Reasoning in Geometry and Algebra Geometry Chapter 2-5 Reasoning in Algebra and Geometry - Leah Applegarth
2-6: Proving Angles Congruent Proving Vertical Angles Congruent - Khan Academy Ten Tips for Writing Good Math Proofs - Katherine Ott Two-Column Proofs - Mathhelp.com (youtube)
Chapter 3: Parallel and Perpendicular Lines
3-1: Lines and Angles Geometry Chapter 3-1 Lines and Angles
3-2: Properties of Parallel Lines Geometry Chapter 3-2 Properties of Parallel Lines
3-3: Proving Parallel Lines Geometry Chapter 3-3 Proving Parallel Lines
3-4: Parallel and Perpendicular Lines Geometry Chapter 3-4 Parallel and Perpendicular Lines
3-5: Parallel Lines and Triangles Geometry Chapter 3-5 Parallel Lines and Triangles
3-6: Constructing Parallel and Perpendicular Lines Geometry Chapter 3-6 Constructing Parallel and Perpendicular Lines
3-7: Equations of Lines in the Coordinate Plane Geometry Chapter 3-7 Equations of Lines in the Coordinate Plane
3-8: Slopes of Parallel and Perpendicular Lines Lesson 3-8
Chapter 4: Congruent Triangles
4-1: Congruent Figures Geometry: Lesson 4-1 Congruent Figures
4-2: Triangle Congruence by SSS and SAS Geometry: Lesson 4-2 Triangle Congruence by SSS and SAS
4-3: Triangle Congruence by ASA and AAS Geometry: Lesson 4-3 Triangle Congruence by ASA and AAS
4-4: Using Corresponding Parts of Congruent Triangles 4-4 Using Corresponding Parts of Congruent Triangles - Mr. Raulerson
4-5: Isosceles and Equilateral Triangles Geometry: Lesson 4-5 Isosceles and Equilateral Triangles
4-6: Congruence in Right Triangles 4-6 Congruence in Right Triangles - Hillary Rolin
4-7: Congruence in Overlapping Triangles 4-7 Congruence in Overlapping Triangles - Mr. Raulerson
Chapter 5: Relationships Within Triangles
5-1: Midsegments of Triangles 5-1: Midsegments of Triangles - Krista Book Exploring Medial Triangles - Khan Academy
5-2: Perpendicular and Angle Bisectors Geometry: Lesson 5-2 Perpendicular and Angle Bisectors - Dawn Wardner Intro to Angle Bisector Theorem - Khan Academy Using the Angle Bisector Theorem - Khan Academy Geometric Constructions: Perpendicular Bisector - Khan Academy
5-3: Bisectors in Triangles 5-3 Bisectors in Triangles - Mr. Raulerson Circumcenter of a Triangle - Khan Academy Incenter and Incircles of a Triangle - Khan Academy
5-4: Medians and Altitudes 5 4 Medians and Altitudes - Mr. Raulerson Common ORthocenter and Centroid - Khan Academy Triangle Medians and Centroids - Khan Academy
Review 5-1 through 5-4 Triangle Center Review (Points of Concurrency) - MrHelpfulNotHurtful
5-5: Indirect Proof 5-5 Indirect Proof - Mr. Raulerson
5-6: Inequalities in One Triangle 5-6 Inequalities in One Triangle - Ben Lewis
5-7: Inequalities in Two Triangles Geo 5-7 Inequalities in Two Triangles - Mr. Jeremy ICS
Chapter 6: Polygons and Quadrilaterals
6-1: The Polygon Angle-Sum Theorems Lesson 6-1: Polygon Angle-Sum Theorems - Eric Swanson Sum of interior angles of a polygon - Khan Academy Sum of Exterior angles of a polygon - Khan Academy
6-2: Properties of Parallelograms 6-2 properties of Parallelograms Anderson - Brittany Cardwell
6-3: Proving That a Quadrilateral is a Parallelogram Geometry: Lesson 6-3 Proving that a Quadrilateral is a Parallelogram - Dawn Wardner Proof: Opposite sides of parallelogram - Khan Academy Proof: Diagonals of parallelogram - Khan Academy Proof: Opposite angles of a parallelogram - Khan Academy
6-4: Properties of Rhombuses, Rectangles, and Squares 6-4: Properties of Rhombuses, Rectangles, and Squares - Krista Book Quadrilateral properties - Khan Academy
6-5: Conditions for Rhombuses, Rectangles, and Squares 6 5 Conditions for Rhombuses, Rectangles and Squares - Rob Nichols Classifying quadrilaterls - Khan Academy
6-6: Trapezoids and Kites Geometry: Lesson 6-6 Trapezoids and Kites - Dawn Wardner
6-7: Polygons in the Coordinate Plane Geometry: Lesson 6-7 Polygons in the Coordinate Plane - Dawn Wardner
6-8: Applying Coordinate Geometry Geo 6.8 Applying Coordinate Geometry - MrTdroppingknowledge
6-9: Proofs Using Coordinate Geometry 6 9 Proofs Using Coordinate Geometry - Rob Nichols
Chapter 7: Similarity
7-1: Ratios and Proportions Geometry: Lesson 7-1 Ratios and Proportions - Dawn Wardner Introduction to ratios | Ratios, proportions, units, and rates| Pre-Algebra - Khan Academy
7-1: (Additional) Partitioning a Line Segment Partition a Segment - Elizabeth Meadows 7-2: Similar Polygons Geometry: Lesson 7-2 Similar Polygons - Dawn Wardner
7-3: Proving Triangles Similar Geo 7.3 Proving triangles similar - MrTdroppingknowledge
7-4: Similarity in Right Triangles Geometry Chapter 7 Section 4 Similarity in Right Triangles - Leah Applegarth Similarity in Right Triangles - DMSFlippedMath
7-5: Proportions in Triangles Geometry: Lesson 7-5 Proportions in Triangles - Dawn Wardner Proportions in Triangles - Jessica Mulder Right Triangle Proportions - CaddellPrep Online Similar triangles | Similarity | Geometry - Khan Academy
Chapter 8: Right Triangles and Trigonometry
8-1: The Pythagorean Theorem and Its Converse Geometry: Lesson 8-1 The Pythagorean Theorem and its Converse - Dawn Wardner The Pythagorean Theorem intro| Right Triangles and Trigonometry| Geometry - Khan Academy
8-2: Special Right Triangles Geometry Chapter 8 Section 2 Special Right Triangles - Leah Applegarth Geometry Chapter 8-2 Special Right Triangles - Bob Moulton 45-45-90 triangles| Right triangles and trigonometry| Geometry - Khan Academy Intro to 30-60-90 triangles| Right Triangles and Trigonometry| Geometry - Khan Academy
8-3: Trigonometry Geometry: Lesson 8-3 Trigonometry - Dawn Wardner Basic Trigonometry| Trigonometry - Khan Academy Evaluating Inverse Trigonometric Functions, Basic Introduction., Examples & Practice Problems - The Organic Chemistry Tutor Secant (sec), cosecant (csc), and cotangent (cot) example | Trigonometry - Khan Academy
8-4: Angles of Elevation and Depression Geometry: Lesson 8-4 Angles of Elevation and Depression - Dawn Wardner 8-4 Angles of Elevation and Depression - ckiely2 Angles of Elevation and Depression Word Problems Trigonometry, Finding Sides, Angles, Right Triangles - The Organic Chemistry Tutor
8-5: Laws of Sines Geometry: Lesson 8-5 Law of Sines - Dawn Wardner Law of Sines| Trig Identities and Examples| Trigonometry - Khan Academy
8-6: Laws of Cosines Geometry: Lesson 8-6 Law of Cosines - Dawn Wardner Law of Cosines| Trig Identities and Examples| Trigonometry - Khan Academy
Chapter 9 Transformations
9-1: Translations Chapter 9 Lesson 1 Translations - Leah Applegarth
9-2: Reflections Chapter 9 Lesson 2 Reflections - Leah Applegarth
9-3: Rotations Chapter 9 Lesson 3 Rotations - Leah Applegarth
9-4: Compositions of Isometries Chapter 9 Lesson 4 Composition of Isometries - Leah Applegarth
9-5: Congruence Transformations Chapter 9 Lesson 5 - Congruence Transformations - Leah Applegarth
9-6: Dilations Chapter 9 Lesson 6 Dilations - Leah Applegarth
9-7: Similarity Transformations Chapter 9 Lesson 1 Similarity Transformations - Leah Applegarth
Chapter 10 Area
10-1: Areas of Parallelograms and Triangles Chapter 10 Section 1 Area of Parallelograms and Triangles - Leah Applegarth
10-2: Areas of Trapezoids, Rhombuses, and Kites Chapter 10 Section 2 Area of Trapezoids, Rhombuses, and Kites - Leah Applegarth
10-3: Areas of Regular Polygons Chapter 10 Section 3 Areas of Regular Polygons - Leah Applegarth
10-4: Perimeters and Areas of Similar Figures Chapter 10 Section 4 Perimeters and Areas of Similar Figures - Leah Applegarth
10-5: Trigonometry and Area Chapter 10 Section 5 Trigonometry and Area - Leah Applegarth
10-6: Circles and Arcs Chapter 10 Section 6 Circles and Arcs - Leah Applegarth
10-7: Areas of Circles and Sectors Chapter 10 Section 7 Areas of Circles and Sectors - Leah Applegarth
10-8: Geometric Probability Chapter 10 Section 8 Geometric Probability - Leah Applegarth
Chapter 11 Surface Area and Volume
11-1: Space Figures and Cross SectionsDetermining Cross Sections of 3D Shapes - Lucas Andrew
11-2: Surface Areas of Prisms and Cylinders
11-3: Surface Areas of Pyramids and Cones
11-4: Volumes of Prisms and Cylinders
11-5: Volumes of Pyramids and Cones
11-6: Surface Areas and Volumes of Spheres
11-7: Areas and Volumes of Similar SolidsChapter 12 Circles
12-1 Tangent Lines
12-2: Chords and Arcs
12-3: Inscribed Angles
12-4: Angle Measures and Segment Lengths
12-5: Locus: A Set of PointsChapter 13: Probability
13-1: Experimental and Theoretical Probability
13-2: Probability Distributions and Frequency Tables
13-3: Permutations and Combinations
13-4: Compound ProbabilityCompound Probability of Independent Events - Khan AcademyDependent Probability Introduction - Khan AcademyConditional Probability and Combinations - Khan Academy13-5: Probability Models
13-6: Conditional Probability Formulas
13-7: Modeling Randomness