Scholastic
Scholastic: Max's Math Adventures: Max's Fantastical Zoo
Use this rhyming description of Max's Fantastical Zoo to make some amazing animals from geometric shapes. There is a teacher's guide for easy lesson planning.
Annenberg Foundation
Annenberg Learner: Geometry: 3 D Shapes: Surface Area and Volume
Learn how to calculate the surface area and volume of rectangular prisms and cylinders. Four interactive animations, preceded by simple instructions, guide you through the process of calculating area and volume.
CK-12 Foundation
Ck 12: Elem Math: Identifying and Naming 3 D Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on identifying and naming three dimensional figures.
Mangahigh
Mangahigh: Shape: 3 D Trigonometry
Test your knowledge of determing the lengths and angles of right triangles.
University of Texas at Austin
Mathematics Teks Toolkit: Exploring C/d= Pie
A collection of circular objects will be used to explore circumference and diameter of circles.
Shmoop University
Shmoop: Basic Geometry: 3 D Objects (Prisms, Cylinders, Cones, Spheres)
The geometry resource investigates three-dimensional objects. Objects include prisms, cylinders, cones, and spheres. Detailed examples and practice exercises are included.
SEN Teacher
Sen Teacher: Nets
Generate different "nets" for paper construction of common three-dimensional shapes: cube, cuboid, pyramid, cone, tetrahedron, cylinder, octahedron, rhombic prism, dodecahedron, pentagonal prism, and pentagonal prism.
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.
CK-12 Foundation
Ck 12: Elem Math: Given the Perimeter Find the Side Length and Area Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area of a square when given the perimeter. CCSS.Math.Content.3.MD.D.8 Solve real world and mathematical problems...
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.]
E-learning for Kids
E Learning for Kids: Math: Castle in the Clouds: Space: 2 D Shapes and Symmetry
Students will explore symmetry through a variety of learning games.
E-learning for Kids
E Learning for Kids: Math: Market Place: 2 D Shapes and Patterns
On this interactive site, students learn to identify squares, circles, and triangles.
Harvard University
Harvard Smithsonian: Everyday Classroom Tools
The focus of this series of lessons is to engage students in an exploration of the world around them. The emphasis is on inquiry as students learn about the earth, sun, light, shapes and more.
Khan Academy
Khan Academy: Decompose Figures to Find Area 2
Practice decomposing irregular shapes to find their area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.MD.C.7.d Recognize area as additive.
Davidson College
Davidson College: Visualization of Atomic Orbitals
Discusses the geometry of the d orbitals and presents exercises for exploring their shape and orientations. Requires Java.
Physics Classroom
The Physics Classroom: Kinematics: Graph That Motion Interactive
Apply the principles of kinematic graphing to match the motion of eleven objects with their corresponding graphical descriptions. Students must understand how the shape of position-time and velocity-time graphs relate to a motion.
National Council of Teachers of Mathematics
The Math Forum: The Cylinder Problem: Middle School Lesson
This lesson offers an interesting, hands-on experience for middle school students studying cylinders. Students will create cylinders, and measure and compare their volumes.
Annenberg Foundation
Annenberg Learner: Geometry 3 D Shapes: Platonic Solids
Learn about platonic solids, a special type of polyhedra. Read a definition, make three-dimensional models using printouts, and play with an interactive animation, which will show you the faces, vertices, and edges on platonic solids:...
Analyze Math
Analyze Math: Compare Volumes of 3 D Shapes
The tutorial investigates the volumes of a cone, a cylinder, and a hemisphere. The problem includes a detailed solution.
Other
Washinton University: Vsepr
This site from the Department of Chemistry at Washington University is a nice site in that it gives you a graphical look at the arrangement of electron pairs. The plug-in CHIME will let you see the 3-D molecules, but it is good even if...
University of Regina (Canada)
University of Regina: Math Central: Lesson: Mr. Z's 5 Minute Game of Geometric Pandemonium
Students make a series of geometric drawings of points, obtuse angles, rays, polygons, and the like. Each child is given one but not allowed to show anyone else. The drawing is then taped to the back of the child in front of them. The...