Additional Resources

Tools of Geometry

Khan Academy on Points, Lines, and Planes (1-1)

Khan Academy on Measuring Segments (1-2)

Khan Academy - Distance Formula (1-3)

Khan Academy - Midpoint (1-3)

Khan Academy - Angles (1-4)

Khan Academy - Vertical Angles (1-5)

Khan Academy - Supplementary, Complementary, & Vertical (1-5)

Khan Academy - Naming Polygons (1-6)

Khan Academy - Perimeter and Area (1-6)

Khan Academy - Solids (1-7)

Reasoning and Proof

Math Planet - What's a Conjecture? (2-1)

Khan Academy - Inductive v. Deductive Reasoning (2-1 & 2-2)

IXL - Truth Tables (2-3)

Sophia.org - Law of Detachment (then Syllogism) (2-4)

Quizlet - Points, Lines, and Planes (2-5)

Math Planet - Algebraic Proof (2-6)

Segment Proofs (2-7)

Khan Academy - Angle Add Post (2-8)

Parallel and Perpendicular Lines

IXL - Parallel, Skew, and Intersecting Lines (3-1)

Khan Academy - Angle Relationships w/ Parallel Lines (3-2)

Kahoot - Parallel Lines and Transversals (3-2)

Khan Academy - Parallel and Perp Lines (3-3)

Khan Academy - Linear Equations and Graphs (3-4)

Big Ideas Math - Proving Lines Parallel Ex (3-5)

Khan Academy - Distance Between Point and Line (3-6)

Congruent Triangles

Khan Academy - Classifying Triangles by Angle (4-1)

Khan Academy - Classifying Triangles by Sides (4-1)

Khan Academy - Triangle Angle Practice (4-2)

Khan Academy - CPCTC (4-3)

Khan Academy - Identifying Congruent Triangles (4-4 & 4-5)

IXL - Isosceles and Equilateral Triangles (4-6)

Khan Academy - Congruence & Transformations (4-7)

Coordinate proofs (4-8)

Relationships in Triangles

Khan Academy - Video on Circumcenters (5-1)

Khan Academy - Video on Incenters (5-1)

Khan Academy - Video on Centroids (5-2)

Khan Academy - Comparing Triangle Centers (5-1 & 5-2)

MathIsFun - Triangle Centers (5-1 & 5-2)

Quizlet - Triangle Centers (5-1 & 5-2)

IXL - Angle-Side Relations (5-3)

Spark Notes - Indirect Proofs (5-4)

Khan Academy - Triangle Inequality (5-5)

MathBitsNotebook - Hinge Theorem (5-6)

Quadrilaterals

MathIsFun - Interior Angles of a Polygon (6-1)

Khan Academy - Exterior Angles of a Polygon (6-1)

IXL - Classifying Quadrilaterals (6-2 through 6-6)

MathIsFun - Parallelograms (6-2)

MathIsFun - Rectangles (6-4)

MathIsFun - Rhombi (6-5)

MathIsFun - Trapezoids (6-6)

MathIsFun - Kites (6-6)

Proportions & Similarity

Khan Academy - Ratios and Proportions (7-1)

Khan Academy - AA Similarity (7-2)

Khan Academy - Similar Polygons (7-2)

Khan Academy -Similar Triangles (7-3)

Khan Academy - Solving Similar Triangles (7-4)

Khan Academy - Angle Bisector Theorem (7-5)

Khan Academy - Dilations (7-6)

Trigonometry

MathIsFun - Geometric Mean (8-1)

Khan Academy - Pythagorean Theorem (8-2)

Teacher Handout - Pyth Theorem Converse (8-2)

Khan Academy - Special Triangles (8-3)

Khan Academy - Trigonometry - (8-4)

Khan Academy - Trigonometry - Find Side Lengths (8-4)

Khan Academy - Trigonometry - Find Angles (8-4)

Online Math Learning - Angle of Elevation/ Depression (8-5)

Khan Academy - Law of Sines & Cosines (8-6)

Circles

Khan Academy - Circumference of a Circle (10-1)

Khan Academy - Arcs & Angle Measure (10-2)

CK12 - Chords, etc (10-3)

Khan Academy -Inscribed Angles (10-4)

Khan Academy - Tangents (10-5)

Algebra Lab - Secants & Tangents (10-6)

ArtOfProblemSolving - Special Segments (10-7) (just first 3)

Areas of Polygons & Circles

Khan Academy- Areas of Parallelograms (11-1)

Khan Academy- Areas of Triangles (11-1)

Khan Academy- Areas of Trapezoids (11-2)

Khan Academy -Area of a Sector (11-3)

Mathopolis - Regular Polygons (11-4)

Khan Academy - Scale Factors (11-5)

Conics

Khan Academy - Circle - Graph from Standard Form

Khan Academy - Circle - Write Equation in Standard From

Khan Academy - Circle - Graph from Expanded From

Khan Academy - Ellipse - Features from Equation

Khan Academy - Ellipse - Equation from Graph

Khan Academy - Ellipse - Focus from Equation

Khan Academy - Ellipse - Equation from Features

Khan Academy - Parabola - Equation from Features

Extending Surface Area and Volume

IXL - Areas of Prisms and Cylinders (12-2)

Expii - Areas of Pyramids and Cones (12-3)

IXL - Volumes of Prisms and Cylinders (12-4)

IXL - Volumes of Pyramids and Cones (12-5)

IXL - SA and Volume of Spheres (12-6)

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