Introduction to geometry

Introduce geometry with visual activities at StoryboardThat! Explore basic geometric terms, sorting, flashcards, and more with engaging & free lesson plans.

Explore our directory of Geometry tutorial videos and get ready for your test using our exam review tips. Start preparing today!

Read "An Introduction to Differential Geometry" by T. J. Willmore available from Rakuten Kobo. A solid introduction to the methods of differential geometry and tensor calculus, this volume is suitable for advanced u...

Master geometry vocabulary with StoryboardThat's free, creative activity which connects terms with real-life examples for student lesson plans.

Introduction to Sets What is a set? Well, simply put, it's a collection. First you specify a common property among "things" (this word will be defined later) and then you gather up all the "things" that have this common property. Notation There is a fairly simple notation for sets. You simply list each element, separated by a comma, and then put some curly brackets around the whole thing. The curly brackets { } are sometimes called "set brackets" or "braces". Numerical Sets So what does this…

Geometry Proof: Learn how to complete proofs found in a geometry class.

Learn how to teach about classifying triangles, quadrilaterals, and other polygons during your geometry math unit.