Curated OER
Solid Geometry
Eighth graders review solid geometry and measurement with a partner. They identify shapes and how they are measured then complete a word processing exercise on a computer. They exchange papers for grading.
Wolfram Research
Wolfram Math World: Geometry
This MathWorld tutorial provides detailed overviews of the concepts and theorems associated with geometry. Most of the Math World sites are extensive and some require higher math knowledge to understand, links to terms and topics are...
University of Saskatchewan (Canada)
University of Saskatchewan: Geometry
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with online tutorials and exercises on what they deem some of the most important topics in geometry: Triangles, and Circles and Other...
Other
The Mathematical Elements of Euclid
An extensive discussion of the Elements, which contains all the geometrical knowledge available in the Hellenistic period.
Clark University
Clark University: Euclid's Elements
A review of the 13 books of Euclid's "Elements" text can be found here. Each of the chapters are broken down into definitions, propositions, and common notations that are used throughout this overview.
Khan Academy
Khan Academy: Rotate 2 D Shapes in 3 D
Practice your 3D visualization skills by rotating 2D shapes. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Cross Sections of 3 D Objects
Practice your knowledge of all possible cross-sections of common 3D objects. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ClassFlow
Class Flow: Solid Geometry
[Free Registration/Login Required] This flipchart contains notes, information, and practice finding surface area and volume of cubes and prisms.
Math Is Fun
Math Is Fun: Solid Geometry
The learning resource examines solid geometry. Students learn about the concept through definitions, images, and examples.
Wolfram Research
Wolfram Mathworld: General Solid Geometry
This page has links to general solid geometry topics, including depth, height, width, and length. A good introductory site into geometry.