Lesson Plan
Curated OER

Examining Geometric Solids

For Teachers 7th - 10th
Students explore geometry by completing a math worksheet in class. In this shape identification lesson, students identify the characteristics associated with 15 solid geometric shapes. Students identify patterns between vertices, edges...
Lesson Plan
Curated OER

Investigating Nets and Polyhedra

For Teachers 5th
Fifth graders create a net for a given polyhedron. They determine the corresponding polyhedron for a given net. Students investigate several polyhedra (cube, tetrahedron, and one of their choosing) and their corresponding nets. They...
Lesson Plan
Curated OER

Folding to Make Shapes

For Teachers 2nd
Second graders identify different polygons and their attributes. In this geometry instructional activity, 2nd graders get to know polygons by studying the vocabulary and finding polygons in their classroom. They create these shapes and...
Lesson Plan
Pennsylvania Department of Education

Rotational Symmetry of Polygons and Other Figures

For Teachers 5th - 8th
Students explore geometry by participating in a shape rotation experiment. In this symmetry lesson, students identify the term symmetry and a list of other geometry vocabulary. Students analyze shapes as they are turned 90 degrees and...
Lesson Plan
Curated OER

Faces, Vertices, Edges

For Teachers 9th - 10th
Learners identify the parts of three dimensional objects. In this geometry lesson, students find the number of faces, edges and vertices. They differentiate between prisms and polyhedra.
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...
Lesson Plan
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Curated OER

Classifying Three-Dimensional Shapes

For Teachers 7th
Compare geometric solids based on their properties. Your emergent geometers use spaghetti and marshmallows to build models so they can examine the number of faces, edges, and vertices on polyhedra of their own creation. Resource includes...
Lesson Plan
Curated OER

Ratios for Area and Volume

For Teachers 5th - 8th
In this ratios for area and volume worksheet, students solve problems where they find the ratios for problems of shapes dealing with area and volume. Students complete 4 problems.
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...
Lesson Plan
Curated OER

Solids...Volume and Surface Area

For Teachers 5th - 10th
In this volume and surface area worksheet, students find the volume and surface area of different solid figures. Students complete 8 problems.
Worksheet
Curated OER

Volume and Surface Area of Polyhedrea

For Students 8th - 11th
For this volume and surface area worksheet, learners use given formulas to determine the volume and area of polyhedrea. This four-page worksheet contains examples, explanations and 32 problems. Answers are provided on the fourth page.
Lesson Planet Article
Curated OER

Integrating Art Into Other Content Areas

For Teachers 2nd - 6th
Here are some ideas to help add an art lesson to every math, science, social studies, or language arts unit.
Lesson Plan
Curated OER

Pape's Theorems

For Teachers 11th - Higher Ed
For this math worksheet, students find the length of the side of a regular hexagon whose area is numerically equal to its perimeter.
Lesson Plan
Curated OER

Pass It On

For Teachers 5th
Fifth graders participate in a class activity that helps them learn some geometric terms along with their definitions. They describe relationships between two and three-dimensional shapes and analyze attributes and properties of...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Polyhedrons

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] This concept teaches students about polyhedrons, Euler's Theorem, and regular polyhedrons.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Polyhedrons

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Apply Euler's Theorem.
Unit Plan
Cuemath

Cuemath: Polyhedron

For Students 6th - 8th Standards
Introduces the concept of polyhedrons by learning the definition, types, and where they are found. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of the page.
Activity
Wolfram Research

Wolfram Math World: Polyhedron

For Students 9th - 10th Standards
This is a detailed site with numerous links related to polyhedrons, the site explains the term polyhedron in terms of geometry and algebraic topology it briefly discusses special polyhedrons which link to other Math World sites which...
Activity
University of Saskatchewan (Canada)

University of Saskatchewan: Geometry

For Students 9th - 10th Standards
The University of Saskatchewan's Department of Mathematics and Statistics provides high school students with online tutorials and exercises on what they deem some of the most important topics in geometry: Triangles, and Circles and Other...
Unit Plan
Annenberg Foundation

Annenberg Learner: Geometry 3 D Shapes: Polyhedra, Prisms, and Pyramids

For Students 6th - 8th Standards
An introduction to a type of three-dimensional shape called a polyhedron. See examples and play with an interactive animation, showing the faces, vertices, and edges of pyramids, which are a type of polyhedron.
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Polyhedra

For Students 9th - 10th Standards
This lesson focuses on polyhedra; a polyhedron (the plural is polyhedra) is a 3-dimensional solid object that is made up of polygons. Euler's Polyhedron Formula: In every polyhedron, the number of faces (F) plus the number of vertices...
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: More on Polyhedra

For Students 9th - 10th Standards
This lesson focuses on polyhedra other than the platonic solids; these include an Archimedean solid, a polyhedron made up of different kinds of regular polygons, that looks the same from every direction. There are 13 different...
eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Platonic Solids

For Students 9th - 10th
A Platonic solid is a polyhedron made up of only one kind of regular polygon, that looks the same from every direction. (In other words, the same number of faces meet at every vertex.) There are only five different Platonic solids:...
Activity
Math Is Fun

Math Is Fun: Polyhedron

For Students 9th - 10th Standards
Students learn about the terminology and formulas associated with polyhedrons. The learning resource consists of definitions, images, and examples.