Worksheet
Curated OER

Truncated Icosahedron

For Students 9th - 10th
For this math worksheet, learners build a model of a truncated icosahedron. This shape has 12 regular pentagonal faces and 20 regular hexagonal faces. An option to include a preview of the finished model is included for the teacher.
Worksheet
Curated OER

Countdown Challenge: Platonic Solids - Part II

For Students 7th - 8th
In this platonic solid worksheet, students observe five solids and draw a net of each three-dimensional figure. Students examine a tetrahedron, an octahedron, an icosahedron, a cube, and a dodecahedron. This is a one-page worksheet.
App
Oleh Yudin

iCrosss

For Students 5th - Higher Ed
Did you know that a soccer ball is very similar to a truncated icosahedron? Both have 32 faces, but while a truncated icosahedron is made up solely of flat hexagons, a traditional soccer ball has 12 pentagons and 20 hexagons, each curved...
Activity
Exploratorium

Viral Packaging

For Teachers 6th - 12th
Create a protective protein shell as a package. Using the included template, pupils tape together 20 triangles to create a 20-sided shape to represent the protective shell of a virus. The model of the protein shell incases the nucleic...
Printables
1
1
SEN Teacher

Photo Nets (3D)

For Teachers 4th - 10th Standards
The sky is the limit when printing custom 3-D shape templates from this site. Not only can you pick your shape and pattern, there is an option to upload an image for the different sides of the geometric shape. Let your learners have fun...
Interactive
Annenberg Foundation

Geometry 3D Shapes: Euler's Theorem

For Students 6th - 10th Standards
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
Interactive
Annenberg Foundation

Geometry 3D Shapes: 3D Shapes

For Students 6th - 10th Standards
Explore vocabulary related to three-dimensional shapes. An instructional website describes the characteristics of different geometric solids. Learners can use an interactive component to view nets, faces, vertices, and edges of common...
PPT
Curated OER

Allotropes

For Teachers 9th - 11th
Brilliant graphics depict a variety of allotropes, especially the allotropes of carbon. Some notes are available to help make these useful for teaching your young chemists, but not for every slide. With some additional preparation on...
Printables
1
1
SEN Teacher

Nets (3D Models)

For Teachers 5th - 10th Standards
Let your learners pick and create a fun shape from this custom template. Shapes range from complex geometric figures to the more common cube and prism. Each page can be labeled with your personal directions. Additional printable listed...
eBook
Old Dominion University

Introduction to Calculus

For Teachers 11th - Higher Ed Standards
This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...
Worksheet
Curated OER

Countdown Challenge: Platonic Solids - Part I

For Students 7th - 8th
Use a Platonic solids worksheet to record the number of faces, edges, and vertices of five polyhedra whose faces, edges, and vertices are all identical. For each figure, learners write a proof of Euler's formula (F+V=E+2). They create a...
Interactive
Curated OER

Different Dice

For Students 9th
For this different dice worksheet, 9th graders read about the use of octahedrons as dice, review the probability with cubical dice, then answer the question of probability when rolling 2 octahedral dice.
Lesson Plan
Curated OER

Regular Polyhedra

For Teachers 10th
Tenth graders investigate the history of geometry and its different shapes. In this geometry lesson, 10th graders practice seeing three dimensional shapes and explain why there are only five polyhedra. They relate all the new materials...
Worksheet
Curated OER

Polyhedra Book

For Students 9th - 12th
In this math worksheet, students are asked to read the book that focuses upon the creation and explanation of three dimensional shapes.
Lesson Plan
Curated OER

Platonic Solids

For Teachers 8th - 10th
Students identify different types of polygons. In this geometry lesson, students differentiate between convex and regular shapes. they identify the names of two and three-dimensional objects.
Worksheet
Curated OER

Free Printables: Nets (3D Models)

For Students 3rd - 6th
In this 3D shapes worksheet, students cut out the 3D shape on the page and fold on the lines to create the correct shape. The worksheet states which shape should be build with the cut-out.
Lesson Plan
Curated OER

Polyhedra: Faces, Edges, and Vertices (3-D Marshmallow Models)

For Teachers 3rd
Third graders explore the attributes of 3-dimensional shapes. In this shapes lesson, 3rd graders examine faces, edges, and vertices of 3-dimensional shapes as they construct shapes using marshmallows and toothpicks.
Lesson Plan
Curated OER

Mineralogy, Astronomy, & Ancient Wisdom

For Teachers 5th - 8th
Learners complete a variety of activities surrounding minerals, crystals, and mineralogy. They locate common minerals on a world map, complete a lab in which they identify the chemical and physical properties of various minerals, etc.
Interactive
Math Is Fun

Math Is Fun: Spinning Icosahedron

For Students 9th - 10th Standards
Students learn about the terminology and formulas associated with an icosahedron. The learning resource consists of definitions and an interactive spinning icosahedron.
Handout
University of Georgia

University of Georgia: Inter Math: Icosahedron

For Students 9th - 10th
This site gives a very brief definition of an icosahedron. Be sure to follow the links to related terms, everyday examples, challenging problems, more information, and the interactive check point involving icosahedrons located in the...
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Pictures of Icosahedrons

For Students 9th - 10th
This site from Dr. Math and the Math Forum provides several links to pictures of icosahedrons. The information is somewhat brief, but worth checking out for a background on the subject.
Article
Creative Science Centre

Creative Science Centre: Shapes Platonic and Archimedean Solids

For Students 9th - 10th Standards
The 'Platonic solids' are three-dimensional shapes formed by putting together identical regular faces. Every corner and every edge is identical to every other corner and edge. There are five such 'solids': the tetrahedron, cube,...
Website
Science U

Science U: Welcome to the Geometry Center!

For Students 3rd - 8th
Site provides information and activities on various aspects of geometry, from shapes to patters and symmetry. Make your own tetra puzzle or build an icosahedron in the classroom. Interactive and fun.
Study Guide
Oswego City School District

Regents Exam Prep Center: Platonic Solids

For Students 9th - 10th
Did you know that the five regular platonic solids (tetrahedron, octahedron, icosahedron, cube, and dodecahedron) were thought to represent earth, air, fire, water, and the universe? This chart shows an image and provides a description...

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