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CK-12 Foundation
Ck 12: Geometry: Heights of Cylinders Given Volume
[Free Registration/Login may be required to access all resource tools.] Find the heights of cylinders given the volume of the cylinder and one other dimension. Students can practice this concept by watching a video, studying notes,...
CK-12 Foundation
Ck 12: Geometry: Cross Sections and Nets
[Free Registration/Login may be required to access all resource tools.] This concept teaches students two ways to represent three dimensions in two dimensions: cross-sections and nets. Students examine guided notes, review guided...
CK-12 Foundation
Ck 12: Interactive Geometry: 9.7 Design Problems in Three Dimensions
Learn the mathematics behind modeling in three dimensions to maximize or minimize one aspect of the situation.
CK-12 Foundation
Ck 12: Interactive Geometry: 1.11 Surface Area and Nets
Explore surface areas and nets with 2D and 3D shapes.
Annenberg Foundation
Annenberg Learner: Geometry 3 D Shapes: Polyhedra, Prisms, and Pyramids
An introduction to a type of three-dimensional shape called a polyhedron. See examples and play with an interactive animation, showing the faces, vertices, and edges of pyramids, which are a type of polyhedron.
CK-12 Foundation
Ck 12: Geometry: Surface Area and Volume of Pyramids
[Free Registration/Login may be required to access all resource tools.] Find a pyramid's volume and surface area.
National Council of Teachers of Mathematics
Nctm: Illuminations: Geometric Solids
An interactive game to find number of edges, surfaces and vertices of different geometric shapes.
Cuemath
Cuemath: 3 D Shapes
Introduces the concept of 3D shapes by learning the definition, types, properties, and three dimensions. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of the page.
Maths Challenge
Maths challenge.net: Spider Fly Distance
A "three star geometry problem" requiring knowledge of how to complete geometric proofs and some prior math skills to figure the shortest distance between the opposite corners of a cuboid.
ArtsNow
Arts Now Learning: Moving Shapes [Pdf]
These activities will allow students to discover the concepts of geometry through shape exploration and the creation of choreographic sequences.
Math Is Fun
Math Is Fun: Animated Polyhedron Models
Use this tool to see animated models of over 100 different types of polyhedra. There are five options for how they appear, and you can also see the net, 'explode' the solid so that the faces are separated, or drag it to rotate it...
Khan Academy
Khan Academy: Surface Area Using Nets
Practice using the net of a 3D figure to find surface area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Alabama Learning Exchange
Alex: Cutting the Cheese
The students will find the area of each two dimensional figure on a net of a triangular prism. In groups, students will cut out the net and create a triangular prism. Groups will then discuss how to find the lateral area and the total...
Alabama Learning Exchange
Alex: Painting the Pyramids
The students will find the area of each two dimensional figure on a net of a square pyramid. In groups, students will cut out the net and create a square pyramid. Groups will then discuss how to find the lateral area and the total...
PBS
Pbs: Black Kingdoms of the Nile
A geometry instructional activity that examines the history and structure of ancient pyramids and engages students in constructing pyramid models. A comprehensive instructional activity that considers students with diverse learning...
Alabama Learning Exchange
Alex: Thinking Outside the "Box"
The students will find the area of each two dimensional figure on a net of a rectangular prism. In groups, students will cut out the net and create a rectangular prism. Groups will then discuss how to find the lateral area and the total...
Other
Kindergarten Works: 10 Activities for Describing 3 D Shapes in Kindergarten
Describing 3D shapes in Pre-K and Kindergarten is now an expectation as it is a key geometry standard. This resource contains 3D shapes activities and resources for practicing this standard. Included are chants, videos, games, poetry,...
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.
E-learning for Kids
E Learning for Kids: Math: Tea Store: 3 D Space
Can you help Leela find objects of different 3D shapes in her parents' tea store?
Alabama Learning Exchange
Alex: "Movin' on Up"
Middle schoolers will use their knowledge of scale factor to enlarge a picture to scale. They will then use PhotoStory to create a collage of their pictures. This lesson plan was created as a result of the Girls Engaged in Math and...
Disfruta Las Matematicas
Disfruta Las Matematicas: Geometria
This unit could be used as supplementary material for Geometry. It has good examples with illustrations and some interactive activities.
Calculator Soup
Calculator Soup: Square Pyramid Calculator
Use this calculator to determine the volume, surface area, or other figure for a square pyramid, given the other numbers. Users set their parameters for two known variables of the pyramid and find what the unknown amounts would be.
University of Cambridge
University of Cambridge: Nrich: All in the Mind
You will have to use visualization to help you solve this challenge. At this one page website, you will be able to check your solution.