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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...
University of Cambridge
University of Cambridge: Nrich: Instant Insanity
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
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.
PBS
Pbs Learning Media: Math + Arts: Shape Mobile
In this lesson, students will create a shape mobile of 2-dimensional and 3-dimensional shapes made from geometric shapes.
Common Core Sheets
Common Core Sheets: Geometry 7.g.3 Worksheets
Print or create worksheets to assess students' understanding of geometrical figures and describe the relationships between them.
Annenberg Foundation
Annenberg Learner: Geometry 3 D Shapes
Learn about several three-dimensional geometric shapes and the terminology used to describe them. Learn how to calculate their surface area and volume, and explore their mathematical properties.
University of Cambridge
University of Cambridge: Nrich: Triangles to Tetrahedra
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
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...
PBS
Pbs: Mathline: Let's Face It [Pdf]
Check out this math project about polyhedra! Young scholars will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
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...
National Council of Teachers of Mathematics
The Math Forum: Building a Pyramid
This Math Forum instructional activity gives instructions on how to build a paper pyramid. Bonuses included finding the surface area and volume of the pyramid.
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: Interactive Geometry: 9.5 Modeling in Three Dimensions
Explore connections between a 2-dimensional net and a 3-dimensional box. Later in this section, use equations with variables to solve real world problems that use 2 and 3-dimensional objects.
Khan Academy
Khan Academy: Identify Parts of 3 D Shapes
Identify the parts of 3D shapes in this assessment.
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.
NC State University
The Engineering Place: Shapes
A lesson in creating 3-D solids using toothpicks and marshmallows.
National Council of Teachers of Mathematics
The Math Forum: The Cylinder Problem: High School Lesson
Using an engaging approach, this lesson requires students to record the volume of cylinders as a function of the radius. Students will construct and measure the volume of several cylinders and then begin comparing these shapes.
University of Cambridge
University of Cambridge: Nrich: Three Cubed
Use the shapes provided and figure out how they fit together to make a 3 X 3 cube at this one page website. The solution is readily available right at the website.
University of Cambridge
University of Cambridge: Nrich: Christmas Presents
Improve your logic and net recognition skills with this learning game. Solution included.
Math Planet
Math Planet: Surface Area and Volume of Pyramids, Prisms, Cylinders, and Cones
Explanation of surface area and the volume of pyramids, prisms, cylinders, and cones through examples and a video lesson. [1:44]
PBS
Pbs Learning Media: Math + Arts: Shapes Into Sculptures
In this lesson, students will identify 2- and 3-dimensional shapes as well as create shape drawings and sculptures. Teacher materials are available.
The Math League
The Math League: Surface Area
This tutorial explains the concept of surface area, and then goes through multiple shapes offering the specific surface area formula for each one.
Sophia Learning
Sophia: Volume Units
This lesson introduces the units of distance (cubed units) used to describe volume. Students watch a video tutorial and then can take an online quiz.