Geometry 

1.1 Measuring Segments and Angles 

• What does Congruent Mean? (Video) 

• Solving for x with angles (Angle Postulate) (Video) 

1.2 Basic Constructions 

• What is a Perpendicular Bisector? (Video) 

• Construct Perpendicular Bisector (Video) 

1.3 Midpoints and Distances (Formulas) 

• Distance Formula Example (Video) 

• Midpoint Formula Example (Video) 

• Midpoint and Distance Formula GimKit (Practice) 

1.4 Inductive Reasoning 

• Inductive Reasoning Video and Practice (Khan Academy Page) 

1.5 Conditional Statements 

• Lesson on Statements and Definitions (Conditional, Inverse, etc.) (Video) 

1.6 Deductive Reasoning 

• Law of Detachment (Video) 

• Law of Syllogism (Video) 

1.7 Writing Proofs

• Properties already should know Flashcards (Quizlet) 

2.1/2.2 Parallel Lines 

• Angle Relationships 

• Finding a missing Angle with Parallel Lines (Video) 

• Finding "x" with missing Angles (Video)

2.3 Parallel Lines and Triangle Sums 

• Concept Summary (Picture) 

• Find missing angle in Triangles (Video) 

• Exterior Triangle Angle (Video) 

2-4 Parallel and Perpendicular Lines on a Graph

• Parallel and perpendicular lines from a graph (Video) 

• Parallel and perpendicular lines from an equation (Video) 

• Parallel and Perpendicular Lines GimKit (Practice)

Identifying Congruence Transformation 

• Transformation Congruence Proof (Video)

Transformation Rules Sheet (click here)

6.1 The Polygon Angle Sum Theorems 

• Finding the Interior Sum of a Polygon (Video)

• Exterior Angles of Polygons (Video)

• Finding a missing angle with variables included (Video)

6.2 Kites and Trapezoids

• Properties of a Trapezoid (Video)

• Properties of Kites and Trapezoids (Concept Summary) 

6.3/6.4 Properties of Parallelograms and Proving a Parallelogram 

• What is a Parallelogram? (Video)

• Finding missing info to Prove a Parallelogram (Video)

• 6.4/6.5 Properties (Concept Summaries)

6.5 Special Properties of Special Parallelograms 

• What is a Rectangle? (Video)

• What is a Rhombus? (Video)

• What is a Square? (Video) 

• Finding missing info to prove a quadrilateral is a Rhombus (Video) 

• 6.4/6.5 Properties (Concept Summaries) 

• 8.1 - Pythagorean Theorem and Special Right Triangles 

  • How to Determine if a Triangle is right. (Video)

  • How to find the missing Hypotenuse on a 45-45-90 Triangle (Video)

  • How to find the missing sides on a 30-60-90 triangle (Video)

• 8.2 - Trigonometry Ratios 

  • Find a missing side using SINE (Video)

  • Find a missing side using COSINE (Video)

  • Find a missing side using TANGENT (Video)

  • Find a missing angle using a Trig Ratio (YouTube Video)