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.
ClassFlow
Class Flow: Geometry Polygons
[Free Registration/Login Required] This flipchart discusses plane figures and solid figures. The definitions and lesson sequence are based on Scott Foresman's Grade 4 Math textbook.
National Council of Teachers of Mathematics
Nctm: Figure This: Cut the Cake
A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...
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?
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.
Other
Polyhedra: The Five Platonic Solids
A brief site that includes some activities to understand the figures.
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.
CK-12 Foundation
Ck 12: Elem Math: Overview of Flat Surfaces of 3 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the flat surfaces or faces of three dimensional shapes.
CK-12 Foundation
Ck 12: Cross Sections and Nets: Cereal Box Grid
[Free Registration/Login Required] Students will explore cross sections and nets of three dimensional objects. Click challenge me to answer practice questions and click learn more to watch a video.
PBS
Pbs: Black Kingdoms of the Nile
A geometry lesson that examines the history and structure of ancient pyramids and engages students in constructing pyramid models. A comprehensive lesson that considers students with diverse learning styles. Math concepts introduced...
Alabama Learning Exchange
Alex: Thinking Outside the "Box"
The middle schoolers 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...
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,...
Sophia Learning
Sophia: Determining the Volume of a Sphere
Use the volume of a cylinder in order to derive the formula for the volume of a sphere. Check understanding with a quiz.
Alabama Learning Exchange
Alex: Nifty Nets
During this activity, students will create nets for prisms. They will find the volume and surface area of the shapes. They will also use interactive activities to review three-dimensional shapes.This lesson plan was created as a result...
Alabama Learning Exchange
Alex: "Movin' on Up"
Students 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 Science...
CK-12 Foundation
Ck 12: Elem Math: Identifying Vertices Edges and Faces in 3 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying faces, edges and vertices of three dimensional shapes.
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.
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...