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 Lesson - Pyramids
    • 10.2 Lesson Notes, Homework Questions and Answers
    • 10.2 Homework Video - 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 - Vectors
    • 11.8 Lesson Notes, Homework Questions and Answers
    • 11.8 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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  • Geometry

    Tawnya Taylor

    My son is LOVING the Geometry! This curriculum is everything we hoped for in our search for Math resources. The homework videos were the clincher! This is ou...

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    My son is LOVING the Geometry! This curriculum is everything we hoped for in our search for Math resources. The homework videos were the clincher! This is our 3rd class so far and we have no intentions of stopping!

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  • Great Class

    Isa Hussain

    Mr. Colosky has made learning Geometry so fun! His videos are really detailed and informative. When you don't understand a question, he goes above and beyo...

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    Mr. Colosky has made learning Geometry so fun! His videos are really detailed and informative. When you don't understand a question, he goes above and beyond to explain it. My son will definitely take future classes with Mr. Colosky!

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  • Practical

    sonia ray

    This method of teaching is practical and to the point. Easy to use and understand. I have done live and pre-recorded depending on my schedule and both of my...

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    This method of teaching is practical and to the point. Easy to use and understand. I have done live and pre-recorded depending on my schedule and both of my sons have used it. Colosky is fun and engaging in the live classes.

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