Math lessons
Each lesson explains one topic, works through examples, and ends with practice questions and answers.
Grade 8
Geometry
- Translations
- Reflections
- Rotations
- Congruence Through Rigid Motions
- Coordinate Rules for Transformations
- Dilations on the Coordinate Plane
- Similarity Through Dilations
- Triangle Angle Sum
- Exterior Angles of Triangles
- Parallel Lines and Transversals
- Angle-Angle (AA) Similarity
- The Pythagorean Theorem and Its Converse
- Using the Pythagorean Theorem
- The Pythagorean Theorem in 3D
- Distance Between Two Points
- Volume of Cylinders
- Volume of Cones
- Volume of Spheres