Course curriculum

  • 1
    Preliminary Information
  • 2
    Chapter 1 - Points, Lines, Planes, and Angles
  • 3
    Chapter 2 - Deductive Reasoning
    • 2.1 Lesson - If-Then Statements and Converses
    • 2.1 Lesson Notes, Practice Questions and Answers
    • 2.1 Homework Video - If-Then Statements
    • 2.2 Lesson - Properties from Algebra
    • 2.2 Lesson Notes, Homework Questions and Answers
    • 2.2 Homework Video - Properties from Algebra
    • 2.3 Lesson - Proving Theorems
    • 2.3 Lesson Notes, Homework Questions and Answers
    • 2.3 Homework Video- Proving Theorems
    • 2.4 Lesson - Special Pairs of Angles
    • 2.4 Lesson Notes, Homework Questions and Answers
    • 2.4 Homework Video - Special Pairs of Angles
    • 2.5 Lesson - Perpendicular Lines
    • 2.5 Lesson Notes, Homework Questions and Answers
    • 2.5 Homework Video - Perpendicular Lines
  • 4
    Chapter 3 - Parallel Lines and Planes
    • 3.1 Lesson - Parallel Lines and Planes - Definitions
    • 3.1 Lesson Notes, Homework Questions and Answers
    • 3.1 Homework Video - Parallel Lines and Planes (Def)
    • 3.2 Lesson - Properties of Parallel Lines
    • 3.2 Lesson Notes, Homework Questions and Answers
    • 3.2 Homework Video - Properties of Parallel Lines
    • 3.3 Lesson - Proving Lines Parallel
    • 3.3 Lesson Notes, Homework Questions and Answers
    • 3.3 Homework Video - Proving Lines Parallel
    • 3.4 Lesson - Introduction to Triangles
    • 3.4 Lesson Notes, Homework Questions and Answers
    • 3.4 Homework Video - Introduction to Triangles
    • 3.5 Lesson - Angles of Polygons
    • 3.5 Lesson Notes, Homework Questions and Answers
    • 3.5 Homework Video - Angles of Polygons
    • 3.6 Lesson - Inductive Reasoning
    • 3.6 Lesson Notes, Homework Questions and Answers
    • 3.6 Homework Video - Inductive Reasoning
  • 5
    Chapter 4 - Congruent Triangles
    • 4.1 Lesson - Congruent Figures
    • 4.1 Lesson Notes, Homework Questions and Answers
    • 4.1 Homework Video - Congruent Figures
    • 4.2 Lesson - Proving Triangles Congruent
    • 4.2 Lesson Notes, Homework Questions and Answers
    • 4.2 Homework Video - Proving Triangles Congruent
    • 4.3 Lesson - Using Congruent Triangles
    • 4.3 Lesson Notes, Homework Questions and Answers
    • 4.3 Homework Video - Using Congruent Triangles
    • 4.4 Lesson - The Isosceles Triangle Theorems
    • 4.4 Lesson Notes, Homework Questions and Answers
    • 4.4 Homework Video - The Isosceles Triangle Theorems
    • 4.5 Lesson - Using More than One Pair of Congruent Triangles
    • 4.5 Lesson Notes, Homework Questions and Answers
    • 4.5 Homework Video- Using More than One Pair of Congruent Triangles
    • 4.6 Lesson - Medians, Altitudes, and Perpendicular Bisectors
    • 4.6 Lesson Notes, Homework Questions and Answers
    • 4.6 Homework Video - Medians, Altitudes, and Perpendicular Bisectors
  • 6
    Chapter 5 - Quadrilaterals
    • 5.1 Lesson - Properties of Parallelograms
    • 5.1 Lesson Notes, Homework Questions and Answers
    • 5.1 Homework Video - Properties of Parallelograms
    • 5.2 Lesson - Ways to Prove that Quadrilaterals are Parallelograms
    • 5.2 Lesson Notes, Homework Questions and Answers
    • 5.2 Homework Video - Ways to Prove Quad. are Parallelograms
    • 5.3 Lesson - Theorems Inolving Parallel Lines
    • 5.3 Lesson Notes, Homework Questions and Answers
    • 5.3 Homework Video - Theorems Involving Parallel Lines
    • 5.4 Lesson - Special Parallelograms
    • 5.4 Lesson Notes, Homework Questions and Answers
    • 5.4 Homework Video - Special Parallelograms
    • 5.5 Lesson - Trapezoids
    • 5.5 Lesson Notes, Homework Questions and Answers
    • 5.5 Homework Video - Trapezoids
  • 7
    Chapter 6 - Similar Polygons
    • 6.1 Lesson - Ratios
    • 6.1 Lesson Notes, Homework Questions and Answers
    • 6.1 Homework Video - Ratios
    • 6.2 Lesson - Proportions
    • 6.2 Lesson Notes, Homework Questions and Answers
    • 6.2 Homework Video - Proportions
    • 6.3 Lesson - Similar Polygons
    • 6.3 Lesson Notes, Homework Questions and Answers
    • 6.3 Homework Video - Similar Polygons
    • 6.4 Lesson - Postulates and Theorems for Similar Triangles
    • 6.4 Lesson Notes, Homework Questions and Answers
    • 6.4 Homework Video - Postulates and Theorems for Similar Triangles
  • 8
    Chapter 7 - Right Triangles
    • 7.1 Lesson - Properties of Radicals
    • 7.1 Lesson Notes, Homework Questions and Answers
    • 7.1 Homework Video - Properties of Radicals
    • 7.2 Lesson - Similarity in Right Triangles
    • 7.2 Lesson Notes, Homework Questions and Answers
    • 7.2 Homework Video - Similarity in Right Triangles
    • 7.3 Lesson - Pythagorean Theorem
    • 7.3 Lesson Notes, Homework Questions and Answers
    • 7.3 Homework Video - Pythagorean Theorem
    • 7.4 Lesson - Converse of the Pythagorean Theorem
    • 7.4 Lesson Notes, Homework Questions and Answers
    • 7.4 Homework Video - Converse of the Pythagorean Theorem
    • 7.5 Lesson - Special Right Triangles
    • 7.5 Lesson Notes, Homework Questions and Answers
    • 7.5 Homework Video - Special Right Triangles
    • 7.6 Lesson - Sine, Cosine, and Tangent
    • 7.6 Lesson Notes, Homework Questions and Answers
    • 7.6 Homework Video - Sine, Cosine, and Tangent
    • 7.7 Lesson - Applications of Right Triangle Trigonometry
    • 7.7 Lesson Notes, Homework Questions and Answers
    • 7.7 Homework Video - Application of Right Triangle Trig.
  • 9
    Chapter 8 - Circles
    • 8.1 Lesson - Circles - Terms
    • 8.1 Lesson Notes, Homework Questions and Answers
    • 8.1 Homework Video - Circles - Terms
    • 8.2 Lesson - Tangents
    • 8.2 Lesson Notes, Homework Questions and Answers
    • 8.2 Homework Video - Tangents
    • 8.3 Lesson - Arcs and Central Angles
    • 8.3 Lesson Notes, Homework Questions and Answers
    • 8.3 Homework Video - Arcs and Central Angles
    • 8.4 Lesson - Arcs and Chords
    • 8.4 Lesson Notes, Homework Questions and Answers
    • 8.4 Homework Video - Arcs and Chords
    • 8.5 Lesson - Circles and Angles
    • 8.5 Lesson Notes, Homework Questions and Answers
    • 8.5 Homework Video - Circles and Angles
    • 8.6 Lesson - Circles and Segments
    • 8.6 Lesson Notes, Homework Questions and Answers
    • 8.6 Homework Video - Circles and Segments
  • 10
    Chapter 9 - Area of Plane Figures
    • 9.1 Lesson - Area of Rectangles
    • 9.1 Lesson Notes, Homework Questions and Answers
    • 9.1 Homework Video - Area of Rectangles
    • 9.2 Lesson - Area of Parallelograms, Triangles, and Rhombuses
    • 9.2 Lesson Notes, Homework Questions and Answers
    • 9.2 Homework Video - Area of Parallelograms, Triangles, and Rhombuses
    • 9.3 Lesson - Area of Trapezoids
    • 9.3 Lesson Notes, Homework Questions and Answers
    • 9.3 Homework Video - Area of Trapezoids
    • 9.4 Lesson - Area of a Regular Polygon
    • 9.4 Lesson Notes, Homework Question and Answers
    • 9.4 Homework Video - Area of a Regular Polygon
    • 9.5 Lesson - Area and Circumference
    • 9.5 Lesson Notes, Homework Questions and Answers
    • 9.5 Homework Video - Area and Circumference
    • 9.6 Lesson - Arc Length and Sector
    • 9.6 Lesson Notes, Homework Questions and Answers
    • 9.6 Homework Video - Arc Length and Sector
  • 11
    Chapter 10 - Areas and Volumes of Solids
    • 10.1 Lesson - Prisms
    • 10.1 Lesson Notes, Homework Questions and Answers
    • 10.1 Homework Video - Prisms
    • 10.2 Homework Video - Pyramids
    • 10.2 Lesson Notes, Homework Questions and Answers
    • 10.2 Lesson - Pyramids
    • 10.3 Lesson - Cylinders and Cones
    • 10.3 Lesson Notes, Homework Questions and Answers
    • 10.3 Homework Video - Cylinders and Cones
    • 10.4 Lesson - Spheres
    • 10.4 Lesson Notes, Homework Questions and Answers
    • 10.4 Homework Video - Spheres
  • 12
    Chapter 11 - Coordinate Geometry
    • 11.1 Lesson - Distance Formula
    • 11.1 Lesson Notes, Homework Questions and Answers
    • 11.1 Homework Video - Distance Formula
    • 11.2 Lesson - Equations in Two Variables
    • 11.2 Lesson Notes, Homework Questions and Answers
    • 11.2 Homework Video - Equations in Two Variables
    • 11.3 Lesson - Graphs of Linear Equations
    • 11.3 Lesson Notes, Homework Questions and Answers
    • 11.3 Homework Video - Graphs of Linear Equations
    • 11.4 Lesson - The Slope of a Line
    • 11.4 Lesson Notes, Homework Questions and Answers
    • 11.4 Homework Video - The Slope of a Line
    • 11.5 Lesson - Finding an Equation of a Line
    • 11.5 Lesson Notes, Homework Questions and Answers
    • 11.5 Homework Video - Finding an Equation of a Line
    • 11.6 Lesson - Parallel and Perpendicular Lines
    • 11.6 Lesson Notes, Homework Questions and Answers
    • 11.6 Homework Video - Parallel and Perpendicular Lines
    • 11.7 Lesson - Systems of Linear Equations
    • 11.7 Lesson Notes, Homework Questions and Answers
    • 11.7 Homework Video - Systems of Linear Equations
    • 11.8 Lesson - Using Systems of Equations
    • 11.8 Lesson Notes, Homework Questions and Answers
    • 11.8 Homework Video - Using Systems of Equations
    • 11.9 Lesson - Vectors
    • 11.9 Lesson Notes, Homework Questions and Answers
    • 11.9 Homework Video - Vectors
  • 13
    Chapter 12 - Constructions
    • Online Constructions Tool
    • 12.1 Lesson - What Constructions Mean
    • 12.1 Lesson Notes, Homework Questions and Answers
    • 12.1 Homework Video - What Constructions Mean
    • 12.2 Lesson - Perpendiculars and Parallels
    • 12.2 Lesson Notes, Homework Questions and Answers
    • 12.2 Homework Video - Perpendiculars and Parallels
    • 12.3 Lesson - Circles
    • 12.3 Lesson Notes, Homework Questions and Answers
    • 12.3 Homework Video - Circles
    • 12.4 Lesson - Special Segments
    • 12.4 Lesson Notes, Homework Questions and Answers
    • 12.4 Homework Video - Special Segments
  • 14
    Chapter 13 - Transformations
    • 13.1 Lesson - Mappings and Functions
    • 13.1 Lesson Notes, Homework Questions and Answers
    • 13.1 Homework Video - Mappings and Functions
    • 13.2 Lesson - Reflections
    • 13.2 Lesson Notes, Homework Questions and Answers
    • 13.2 Homework Video - Reflections
    • 13.3 Lesson - Translations and Glide Reflections
    • 13.3 Lesson Notes, Homework Questions and Answers
    • 13.3 Homework Video - Translations and Glide Reflections
    • 13.4 Lesson - Rotations
    • 13.4 Lesson Notes, Homework Questions and Answers
    • 13.4 Homework Video - Rotations
    • 13.5 Lesson - Dilations
    • 13.5 Lesson Notes, Homework Questions and Answers
    • 13.5 Homework Video - Dilations
    • 13.6 Lesson - Composites of Mappings
    • 13.6 Lesson Notes, Homework Questions and Answers
    • 13.6 Homework Video - Composites of Mappings
    • 13.7 Lesson - Inverses and the Identity
    • 13.7 Lesson Notes, Homework Questions and Answers
    • 13.7 Homework Video - Inverses and the Identity

Social proof: reviews

  • Amazing class! Awesome teacher!

    Terri Ann Boardway

    Mr.Colosky makes geometry easy, and he has funny ways to help you remember all the terms that are necessary to understanding the subject. I would recommend ...

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    Mr.Colosky makes geometry easy, and he has funny ways to help you remember all the terms that are necessary to understanding the subject. I would recommend this class to anyone struggling with geometry. -Adrianna

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