Geometry

Free Online Graphing Calculator  (O)

Geometry  (Y,M,O,T)
From Johnnie's Math Page.com. Interactive math tools and activities for students and teachers.

Geometry Resources from Education.com  (Y,M,O,T)
Worksheets, interactive exercises, games, lesson plans, and more.

Neo 12 Geometry  (M,O,T)
From Neo 12.com. Geometry videos and lesson.

Geometry Worksheets  (M,O,T)
From Super Teacher Worksheets.com. Math Geometry Worksheets: Perimeter, Area, Angles

Go Geometry.com  (Y,M,O,T)
GoGeometry.com offers free educational resources and over 1500 illustrated problems to help geometry students practice and learn.

Geometry Games for Kids  (Y,M,O,T)
Educational games related to shapes, angles, measurements, grids, coordinates, building blocks and all kinds of geometry related topics, plus geometry facts, quizzes and videos.

Free Geometry Worksheets  (Y,M)
"The geometry worksheets here feature exercises with 2D and 3D shapes, finding the area and perimeter, surface area and volume, learning the concept of slopes, symmetry, transformation, usage of the midpoint formula and distance formula and more."

Geometry Math Exercises : Worksheets, Games & Quizzes  (Y,M)
Geometry games, quizzes, and worksheets for pre-k through 7th grade.

Geometry Help  (Y,M,O,T)
Includes examples, solutions, and videos.

Math Salamanders Printable Geometry Worksheets  (Y,M)
"Free Geometry riddles for elementary kids from 1st to 5th grade. These fun riddles will help your child to develop their 2d shape skills and language, whilst developing their problem solving and reasoning skills at the same time."

How to help students understand high school geometry?  (O)
How to set your younger students up for future success in high school geometry, and what to do if you already have a struggling high schooler.

Homework Help  (O)
Explanations, examples, and interactive quizzes from Math.com.

Symbols in Geometry  (M,O,T)
Symbols save time and space when writing. Here are the most common geometrical symbols.

Geometry Words  (M,O,T)
Visual Geometry Dictionary for Kids and for Kids' Teachers

Geometry Printables  (M,O,T)
Over 40 geometry worksheets, each one formatted for easy printing and with a built-in answer key.

Index for Geometry  (M,O,T)
Math terminology from plane and solid geometry. This includes basic triangle trigonometry as well as a few facts not traditionally taught in basic geometry.

Geometry 3-D Shapes Interactive  (M,O,T)
Learn about several three-dimensional geometric shapes and the terminology used to describe them. Learn how to calculate their surface area and volume, and explore their mathematical properties.

Geometry Formula Sheet  (Y,M,O,T)
A reference for a wide range of geometry formulas

Basic Geometry Formulas for Beginning Students  (M,O,T)
"Basic" really means basic: area and perimeter for rectangles and squares, and circumference and area of circles. There's some explanation, though, so if "A=(pi)r^2" isn't clicking with your student, this page might help.

Common Geometry Formulas  (M,O,T)
This page has several formulas with diagrams, and it's pretty easy to rabbit-trail to more geometry resources on the site.

Geometry & Trig Reference Area  (Y,M,O,T)
Math formulas, definitions, properties, diagrams and examples from Geometry and Trigonometry

The Geometry of Circles  (M,O,T)
Definitions and formulas for the radius of a circle, the diameter of a circle, the circumference (perimeter) of a circle, the area of a circle, the chord of a circle, arc and the arc length of a circle, sector and the area of the sector of a circle

Geometry at PPPST  (M,O,T)
Free geometry presentations in PowerPoint format

Geometry Math Video Tutorial  (Y)
The page also has an interactive game so students can practice with basic shapes.

Khan Academy Geometry  (M,O)
Khan Academy offers free video-based courses on Basic geometry and measurement and High school geometry.

Homeschool Math's Geometry Page  (M,O)
Geometry games and resources online

Online Geometry Lessons  (M,O)
From Math Warehouse, online lessons in an attractive visual format

Brightstorm Math YouTube Channel  (M,O)
Free online geometry video lessons to help students with the formulas, terms and theorems related to triangles, polygons, circles, and other geometric shapes to improve their math problem solving skills while doing their geometry homework and worksheets. Problems presented review concepts such as lines, angles, perimeters, areas, constructions and many more.

A Slice of Pi  (Y,M,O)
Explore statistics about many mathematicians' favorite holiday!