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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.
Khan Academy
Khan Academy: Cross Sections of 3 D Objects (Basic)
Match 3D objects with their 2D cross-sections. 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 (Basic)
Basic practice problems involving cross sections of 3D objects.
E-learning for Kids
E Learning for Kids: Math: Great Barrier Reef: Shapes: 3 D Objects & Position
Join Mel and Alba and find out more about 3D shapes and the position of objects.
Khan Academy
Khan Academy: Surface Area
In this exercise, students practice finding the surface area of 3D objects. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Interactive Geometry: 9.4 Connections Between Two and Three Dimensions
Cross-sections are one way that two-dimensional objects are connected to three-dimensional objects.
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: Surface Area
Practice finding the surface area of 3D objects. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Geometry in Space
Twenty-four problems covering a variety of solid figure topics: dimensions, volume, surface and base areas. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
Government of Alberta
Learn Alberta: Math Interactives: Exploring Surface Area, Volume, and Nets
Investigate the concepts of area, volume, 3D shapes, and nets using this interactive Learn Alberta math. The solid shapes focused on this exploration include rectangular and triangular prisms, rectangular and triangular pyramids,...
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.
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?
PBS
Pbs: Mathline: Let's Face It [Pdf]
Check out this math project about polyhedra! Students will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
National Council of Teachers of Mathematics
Nctm: Illuminations: Volume of a Cube
"The volume of a cube can be developed by considering unit cubes, a single row (longs) of unit cubes or a single layer (flats) of cubes using this applet." This easy software makes it possible to easily construct a cube and take it...