Geometry Resources for 9th Grade

Geometry: Seeing, Doing, Understanding

Harold Jacobs' classic high-school geometry course, built on discovery rather than memorized proofs. The one geometry text most veteran homeschoolers name first.

Math-U-See Geometry

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 entering ninth grade; to find the Math-U-See level that best...

Geometry Textbook - Tutor in a 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, teen tested and effective geometry tutori...

Geometry Online with Books (4th ed.)

Geometry (4th ed.) provides an incremental approach to proofs in various formats and systematically promotes the review and retention of algebraic skills with an introduction to trigonometry. It encourages the use of technology, including detail...

Geometry (3.0)

The 3.0 is a per student online subscription that lasts for a full year (12 months). It works on ALL desktops and laptops, and it will even work on tablets and smartphones via the free Puffin browser.* (Click HERE for advice on tablet/smartphone us...

Preply Online Math Tutors

Geometry and spatial reasoning

Practice geometry and spatial reasoning skills on IXL, have fun, and win awards!...

GeoGebra

Free suite of interactive math tools - graphing, geometry, algebra, calculus, and statistics - that let students visualize and explore concepts hands-on in any browser or on any device.

Special properties and parts of triangles

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 cicumcenter (which, quite amazingly, is equidistant...

Kodeclik

Online coding instruction and bootcamps for kids and teens.

Geometry

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 can be drawn on a piece of paper Solid Geometry i...

Intermediate Individual Learning Math Kit

Tried-and-true manipulatives gives teachers flexibility and helps students learn, no matter where the classroom is.

California Standards Test for Geometry

Sal does the 80 problems from the released questions from the California Standards Test for Geometry. Basic understanding of Algebra I necessary....

Geometry

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 appreciate mathematical deduction, it is still the basis...

Analytic Geometry

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 writing a linear equation for each side and seeing th...

Introduction to Geometry Playlist

thenewboston Official Introduction to Geometry Playlist!...

Geometry Worksheets

Geometry worksheets including angle, coordinate, transformational and three-dimensional geometry worksheets....

Yay Math!

What separates Yay Math from other programs are both the students in the videos, as well as the viewers online. The live student interaction sets this project apart from any other online tutorial out there, making it genuine and offering the feeling...

Tools of geometry

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 appreciate mathematical deduction, it is still the basis...

Homeschool Geometry Curriculum

MathHelp.com offers a comprehensive homeschool Geometry curriculum. Our stand-alone curriculum has everything your child needs, including efficient, professional instruction throughout every lesson....

Geometry Practice Questions

Apply the tools of measurement of plane, solid, and coordinate geometry to figures, shapes, and the coordinate plane. Topics: Points, lines and rays Angles Triangles Right triangles Polygons Circles Transformations 3D Figures...

Geometry Aligned to CCSS-M Standards

This collection contains resources for a high school course in Geometry. The resources are organized by Common Core State Standards for Mathematics and reflect a ninth or tenth grade course. Both teacher facing and student facing assets are included...

Transformations, congruence, and similarity

Learn about geometric transformations and how they're used to understand the meaning of “similar” and “congruent”....

Geometry Lesson Series

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 practice problems, and then assess their understanding with...

Geometry Help

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

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 properties of angles created from various types...

Geometry Content Inventory

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 system, users are free to take whatever path through...

Crafty Cut

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 also a monthly subscription available to access ALL To...

Curriki Geometry

Welcome to Curriki Geometry, a project-based geometry course. This course offers six complete projects. All the projects are designed in a project-based learning (PBL) format. All Curriki Geometry projects have been created with several goals in min...

RWM103: Geometry

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 blocks of Geometry. Everything has a proper name. We oft...

Geometry

School yourself in geometry! Free, interactive video lessons on geometry! The mathematics of lines, shapes, and angles. Essential stuff for describing the world around you....

Free Geometry Worksheets

Large selection of free printable Geometry worksheets....