Geometry Resources

Module 9:

Module 9.6 Desmos

Module 9.6 Data


Module 9.5 Data

Random Number Generator (great for finding lots of random numbers)

Data Help

Shmoop - lessons, videos, and practice


Module 9A:

Test Items Document


Basic Probability Walkthrough

Independence (lesson and examples)

Independence (video)

Multiplication Rule/Conditional Probability (lesson and examples)

Addition Rules (lesson and examples)

Khan Academy Practice - Whole Module Outline

Khan Academy Practice - Conditional Probability

Just for Fun

Paper Folding

Previous Year's Resources

Module 8

Test Review:

Solids of Revolution Article

Solids of Revolution Practice

More Solids of Revolution Practice

Cross Sections Article

Cross Sections Practice

More Cross Sections Practice



Law of Sines Article

Law of Cosines Article

Prove Law of Sines

Prove Law of Cosines

Extra Practice - Law of Sines and Cosines

Law of Sines and Cosines Guided Help


Other Items:

Heron's Formula

Law of Cosines Justification

Law of Tangents (just for fun)

Cross Section Simulator

Revolution Simulator

Frustum Volume Derivation

Cross Section Applet

Guided Cross Sections of a Cube

Cross Section Video

Geogebra - Manipulate Prism into 3 Pyramids

Nets with Scale Factors

Visual to show why three pyramids form a cube

Animation of Cavalieri's Principle

Module 7

Module 7 Test Review/Notes

Module 7 Test Items

Cavalieri's Principle Reading

Cavalieri's Principle Video

Walk-through of the proof of the Inscribed Angle Theorem

Volume Relationship (cones, cylinders, and cubes)  - Try problems B4-B8

Circles Problems with Angles

Vocabulary Help

Arc Measure Help

Sector and Segment Help

Inscribed Angle Application Help

Angle Relationships in Circles Help

Chord and Secant Relationship Help

Equations of Circles Help

Proving All Circles are Similar

Khan Academy Practice




Basic Geometry Help:

Geometric Definitions

Euclid's Elements

Geometry Flashcards

Euclid Video

Useful Postulates and Theorems


Module 3:

Flashcards for Vocab (click on flashcard mode)

Triangle Sum Theorem

Euclid's Elements

Algebraic Proofs

Geometric Proof Practice

Ways to Say "If p, then q"

Necessity vs Sufficiency

Truth Table Basics (power point notes download)

Laws of Deductive Reasoning



Module 2:

Construction Instructions

Animated Video of Constructions

Khan Academy Constructions

Geogebra Tasks


Module 1:

Diagonals of Polygons (Interactive!)




Old Stuff:

Challenging Probability Problems

Review Video

Venn Diagram Video

Tree Diagram Review

Conditional Probability Review

Recursive Function Practice

Recursive Sequences

Quadratics Practice

Projectile Motion Problem Solving

Projectile Motion Info/Reading

Projectile Motion Problems/Practice




Rubber Band Stretcher


Semi-regular Tessellation Information