The best videos, books, apps, and other learning resources our members recommend:

AGS Geometry

7th - High School | Product Go beyond the basics of Geometry and investigate the world of planes and solids. Chapter openers and colorful photos invite exploration of geometric solids, triangles, the Pythagorean Theorem,...

Analytic Geometry

6th - 9th | Online class In analytic geometry, also known as coordinate geometry, we think about geometric objects on the coordinate plane. For example, we can see that opposite sides of a parallelogram are parallel by by...

Basic geometry

3rd - 7th | Online class Let's draw points, lines, line segments, and rays. We'll also think about perpendicular and parallel lines and identify these in two-dimensional figures. Common Core Standard: 4.G.A.1

California Standards Test for Geometry

7th - High School | Online class Sal does the 80 problems from the released questions from the California Standards Test for Geometry. Basic understanding of Algebra I necessary.

Crafty Cut

5th - High School | iPhone/iPad Crafty Cut is a block slicing game that offers three creative game modes dealing with 2D and 3D geometry. This app can be downloaded for free, but the complete version requires purchase. There is...


6th - 9th | Online resource If you like playing with objects, or like drawing, then geometry is for you! Geometry can be divided into: Plane Geometry is about flat shapes like lines, circles and triangles ... shapes that...


Kindergarten - 2nd | Online class Learn how different shapes have different numbers of corners, different side lengths, and so on. Use these properties to help you recognize shapes.


4th - High School | Online class Roughly 2400 years ago, Euclid of Alexandria wrote Elements which served as the world's geometry textbook until recently. Studied by Abraham Lincoln in order to sharpen his mind and truly...


3rd - 6th | Online class Let's draw points, lines, line segments, and rays. We'll also think about perpendicular and parallel lines and identify these in two-dimensional figures. Common Core Standard: 4.G.A.1


4th - 6th | Online class We're going to stick our toes into the proverbial waters of geometry! For those of you that are visual learners you'll love this topic. We'll examine all kinds of lines and shapes in the 1st, 2nd,...


5th - 7th | Online class Learn how to find the area, volume, and surface area of all sorts of geometric shapes. Also work with shapes on the coordinate plane.


9th - High School | Book, Online class Geometry introduces students to mathematics as a deductive science. It shows how a few simple assumptions about points, lines, etc., can lead to a substantial body of geometric theorems and the...


7th - 9th | Online class Welcome. I'd like to introduce you to Mr. Angle. Nice to meet you. So nice to meet you. This tutorial introduces us to angles. It includes how we measure them, how angles relate to each other and...

Geometry and spatial reasoning

Pre-K - 9th | Online resource Practice geometry and spatial reasoning skills on IXL, have fun, and win awards!
$10 monthly

Geometry Content Inventory

9th - High School | Online resource Virtual Nerd's patent-pending tutorial system provides in-context information, hints, and links to supporting tutorials, synchronized with videos, each 3 to 7 minutes long. In this non-linear...

Geometry Course

High School | Online resource Geometry covers points, lines, planes, angles, parallel lines, triangles, similarity, trigonometry, quadrilaterals, transformations, circles and area. The material is text and video lectures, but...

Geometry DVD Instruction

9th - High School | DVD This course is designed to help students improve their problem solving and deductive reasoning through the study the geometric points, lines, and shapes. It covers the practical subjects related to...

Geometry Help

5th - 9th | Online resource Need some geometry help? We have more than thirty excellent geometry lessons here, broken up in general topics. Make sure to browse all of the topics to find what you need, or search by keyword.

Geometry: Intro to Proofs

High School | Product, Windows This highly intensive course, designed by Stanford mathematicians, teaches students geometry through the lens of formal logic. Not only will students learn geometric properties, but they will also...

Geometry Lesson Series

6th - High School | Online resource Students use the geometry lessons in this series to explore and learn essential geometric postulates, theorems, and formulas through video and text. Students will confirm their learning with...

Geometry (online)

9th - High School | Online class This online course gives students a comprehensive introduction to Euclidean geometry and the principles of logical reasoning. After an introduction to the GradPoint interface and the basic tools...

Geometry Online Course

High School - College | Online class Join Professor Mary Pyo’s Geometry online class for time-saving lessons that include clear explanations of difficult topics and step-by-step examples. Special emphasis is placed on geometric proofs...
$35 monthly

Higher Altitudes in Geometry Digital Textbook Bundle

9th - High School | ebook/Kindle Higher Altitudes in Geometry delves further into the relationships between angles, triangles, quadrilaterals, circles, and simple three dimensional shapes and more! There are 180 for One Low...

Home Study Companion Geometry

9th - High School | ebook/Kindle, DVD HSC Geometry is a complete high school Geometry course based on the exceptional, but now out of print text, Geometry: A Guided Inquiry, by Chakerian, Crabill, and Stein. (A digital copy of the text...

Life of Fred Geometry Expanded

High School | Book One day in Fred's life in which he . . . • Falls in Love! • Teaches you how to write an opera! • Buys Hecks Kitchen! • Does all of geometry up to the 14th dimension! Geometry is one course...

Math Curriculum Geometry

High School | Online resource Geometry Introduction to Geometry Unit Preview, Definitions - Geometry, Measuring Angles - Geometry, Line and Angle Relationships, Triangles, Definitions of Figures Construction Unit Preview,...
$360 yearly

Math-U-See Geometry

9th - High School | Product Geometry: Points, lines, planes, angles, circles, triangles, quadrilaterals, Pythagorean Theorem, conic sections, proofs and more. Math-U-See Geometry is typically a good fit for a student...

Mathventure for 3rd Grade: Focus on Geometry

3rd | iPhone/iPad, Mac OS Read a free sample or buy Mathventure for 3rd Grade: Focus on Geometry by S. Lemay & J.C. Hamel. You can read this book with iBooks on your iPhone, iPad, iPod touch, or Mac.

Mathventure for 4th Grade: Focus on Geometry

4th | iPhone/iPad, Mac OS Designed by experienced authors, the Mathventure collection facilitates implementation of the Common Core Math Standards. The interactive books in this collection put students in meaningful...

Measurement and geometry

2nd - 4th | Online class In 2nd grade, you learned to measure lengths. Now we can measure the length around the edge of an object (perimeter) and how much "space" something takes up on a flat surface (area).

Prentice Hall Mathematics Geometry

9th - High School | Product 
Traditional geometry concepts are highlighted through this text. Your child will learn to visualize and see relationships between two figures, relate mathematical functions with figures, measure...

Preschool Geometry Worksheets

Pre-K | Printable Preschool shapes worksheets are the perfect way to teach your child about all the different kinds of shapes. Try our preschool shapes printables with your kid.

RWM103: Geometry

6th - High School | Online class Unit 1: The Basics of Geometry From a young age, we learn basic vocabulary and basic concepts that lead us to understand greater concepts. In this unit, you will learn about the basic building...

Shiny Party

Pre-K - 1st | iPhone/iPad Learn shapes and colors Shiny Party is a fun learning app that promotes essential basic geometry skills. Kids will learn to identify shapes and colors, explore ways in which shapes can be joined...

Special properties and parts of triangles

9th - College | Online class In this tutorial, we study lines that are perpendicular to the sides of a triangle and divide them in two (perpendicular bisectors). As we'll prove, they intersect at a unique point called the...

Tools of geometry

6th - 9th | Online class Roughly 2400 years ago, Euclid of Alexandria wrote Elements which served as the world's geometry textbook until recently. Studied by Abraham Lincoln in order to sharpen his mind and truly...

Transformations, congruence, and similarity

9th - College | Online class Learn about geometric transformations and how they're used to understand the meaning of "similar" and "congruent".

Tutor in a Book's Geometry

6th - 9th | Book Need help with Geometry? Designed to replicate the services of a skilled private tutor, the new and improved Tutor in a Book's Geometry is at your service! TIB's Geometry is an extremely thorough,...

Did we miss something?

Add your favorite resources to our directory for free!
Add Resource

See only free resources for learning Geometry