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...
Interactive
Annenberg Foundation

Geometry 3D Shapes: Test Your Skills

For Students 6th - 10th Standards
Time to find out what they've learned! The final lesson of a five-part series has learners complete a 39-question multiple choice review. They use what they've learned in the previous lessons to complete questions that include concepts...
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
Annenberg Foundation

Geometry 3D Shapes: Platonic Solids

For Students 6th - 10th Standards
From polyhedrons to platonic solids, here is a lesson that will have your classes talking! As an introduction to platonic solids, scholars cut and fold nets to create the three-dimensional solids. They use an interactive component to...
Worksheet
Curated OER

Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds

For Students 9th - 12th
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
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...
Worksheet
Curated OER

Geometry Level 3

For Students 7th - 9th Standards
What a wonderful resource! Learners create two-dimensional shapes according to the instructions stated, use the squares to make a triangular prism, a cube, and a pyramid, and identify features of plane shapes, among a myriad of other...
Worksheet
Curated OER

Visualize 3-D Objects and Make Nets of Common Solids

For Students 3rd - 5th
Prisms are the focus of this geometry worksheet. Students count the number of parts of a prism and chart 26 answers. Vocabulary such as: "faces," "edges," and "verticies" are taught. A well-designed math worksheet!
Worksheet
Curated OER

Surface Area

For Students 10th
In this geometry instructional activity, 10th graders define surface area, net and lateral face. They calculate the surface areas of cones, prisms and cubes. There are 9 surface area questions.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 1.11 Surface Area and Nets

For Students 9th - 10th Standards
Explore surface areas and nets with 2D and 3D shapes.
eBook
CK-12 Foundation

Ck 12: Interactive Geometry: 9.5 Modeling in Three Dimensions

For Students 9th - 10th Standards
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.
Interactive
Math Is Fun

Math Is Fun: Animated Polyhedron Models

For Students 9th - 10th
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...