Table of Contents
-
Foundations of Geometry
- Lesson: Points, Lines, and Planes in Space
- Lesson: Congruence of Line Segments
- Lesson: Distance and Midpoint on a Number Line
- Lesson: Distance on the Coordinate Plane: Pythagorean Formula
- Lesson: Midpoint on the Coordinate Plane
- Lesson: Measuring Angles
- Lesson: Turns and Angles
- Lesson: Complementary and Supplementary Angles
- Lesson: Adjacent and Vertically Opposite Angles
- Lesson: Vertically Opposite Angles
- Lesson: Lines and Transversals: Angle Pairs
- Lesson: Parallel Lines and Transversals: Angle Relationships
- Lesson: Parallel Lines and Transversals: Angle Applications
- Lesson: Nets of 3D Shapes
- Lesson: Convex and Concave Polygons
- Reasoning and Proof
- Parallel and Perpendicular Lines
-
Transformations
- Lesson: Dilation: Positive Scale Factors
- Lesson: Reflections on the Coordinate Plane
- Lesson: Reflections
- Lesson: Translations
- Lesson: Translations on a Coordinate Plane
- Lesson: Rotations about a Point
- Lesson: Rotations on the Coordinate Plane
- Lesson: Combining Transformations
- Lesson: Reflectional Symmetry in Polygons
- Congruence
-
Triangle Relationships
- Lesson: Angle Sum of a Triangle
- Lesson: Isosceles Triangle Theorems
- Lesson: Equilateral Triangles
- Lesson: Triangles on the Coordinate Plane
- Lesson: Perpendicular Bisector Theorem and Its Converse
- Lesson: Medians of Triangles
- Lesson: Exterior Angles of a Triangle
- Lesson: Inequality in One Triangle: Angle Comparison
- Lesson: Inequality in One Triangle: Side Comparison
- Lesson: The Hinge Theorem
- Lesson: Angle Bisector Theorem and Its Converse
-
Right Triangles and Trigonometry
- Lesson: The Pythagorean Theorem
- Lesson: The Converse of the Pythagorean Theorem
- Lesson: Pythagorean Inequality Theorem
- Lesson: The Cosine Ratio
- Lesson: The Sine Ratio
- Lesson: The Tangent Ratio
- Lesson: Right Triangle Trigonometry: Solving for an Angle
- Lesson: Right Triangle Trigonometry: Solving for a Side
- Lesson: Angles of Elevation and Depression
- Lesson: Right Triangle Altitude Theorem
- Lesson: Applications on the Pythagorean Theorem
- Lesson: Special Right Triangles
- Lesson: Trigonometric Ratios of Special Triangles
- Lesson: Finding the Area of a Triangle Using Trigonometry
- Lesson: Law of Sines
- Lesson: Law of Cosines
- Lesson: Applications on Sine and Cosine Laws
-
Quadrilaterals and Polygons
- Lesson: The Sum of Angles in Quadrilaterals
- Lesson: Interior Angles of a Polygon
- Lesson: Exterior Angles of a Polygon
- Lesson: Properties of Rectangles
- Lesson: Rectangles on the Coordinate Plane
- Lesson: Classifying Quadrilaterals
- Lesson: Properties of Rhombuses
- Lesson: Properties of Squares
- Lesson: Properties of Kites
- Lesson: Properties of Parallelograms
- Lesson: Parallelograms on the Coordinate Plane
- Lesson: Perimeter of Polygons
- Lesson: Isosceles Trapezoids
- Lesson: Trapezoid Midsegment Theorem
- Similarity
-
Area, Surface Area, and Volume
- Lesson: Areas of Rectangles and Squares
- Lesson: Area of a Parallelogram
- Lesson: Area of a Triangle
- Lesson: Volumes of Rectangular Prisms and Cubes
- Lesson: Volumes of Cylinders
- Lesson: Surface Areas of Rectangular Prism and Cubes
- Lesson: Surface Areas of Cylinders
- Lesson: Area of a Trapezoid
- Lesson: The Area of a Square in terms of Its Diagonals
- Lesson: Finding the Area of a Rhombus Using Diagonals
- Lesson: Area of a Kite
- Lesson: Arc Lengths
- Lesson: Areas of Composite Figures
- Lesson: Areas of Regular Polygons
- Lesson: Areas of Similar Polygons
- Lesson: Plans and Elevations
- Lesson: Surface Areas of Prisms
- Lesson: Surface Areas of Cones
- Lesson: Volumes of Oblique Prisms
- Lesson: Volumes of Triangular Prisms
- Lesson: Volumes of Triangular and Quadrilateral Pyramids
- Lesson: Surface Areas of Pyramids
- Lesson: Volumes of Cones
- Lesson: Volumes of Composite Solids
- Lesson: Volumes of Spheres
- Lesson: Surface Areas of Spheres
- Lesson: Volumes of Composite Prisms
- Lesson: Surface Areas of Composite Solids
- Lesson: Relating Volumes and Surface Areas
- Lesson: Similarity of Solids
- Lesson: Density of Solids
-
Circles
- Lesson: Circles
- Lesson: Areas and Circumferences of Circles
- Lesson: Central Angles and Arcs
- Lesson: Perpendicular Bisector of a Chord
- Lesson: Inscribed Angles in a Circle
- Lesson: Properties of Cyclic Quadrilaterals
- Lesson: Tangents of a Circle
- Lesson: Properties of Tangents and Chords
- Lesson: Circumscribed Polygons
- Lesson: Angles of Intersecting Lines in a Circle
- Lesson: Angles of Tangency
- Lesson: Equation of a Circle
- Lesson: Equation of a Circle Passing through Three Noncollinear Points
- Lesson: Special Segments in a Circle
- Lesson: Areas of Circular Segments