Whiteboard
ClassFlow

Class Flow: 3 D Objects and Nets

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] This is a review of solid figures, nets, and counting faces, nets and vertices in 3 dimensional figures. There is a 5 question Activote session at the end of the flipchart.
Unit Plan
Math Is Fun

Math Is Fun: Making 3 D Solids

For Students 2nd - 8th Standards
This tutorial features templates and instructions to make the following solids: tetrahedron, cube, octahedron, dodecahedron, and icosahedron.
eBook
Mathigon

Mathigon: Graphs and Networks: Parties and Dating

For Students 9th - 10th Standards
This lesson uses handshakes at a party to explain complete graphs, when every vertex is connected to every other vertex. It shows how a formula was created to calculate the number of edges.
Interactive
National Council of Teachers of Mathematics

The Math Forum: Studying Polyhedra

For Students 9th - 10th
This site not only defines what a polyhedron is, but it allows you to view each of the five regular polyhedra through an interactive exercise. After selecting which polyhedron you'd like to see, it will tell you its name and how many...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs: A Party of Six

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this lesson use graph theory to examine social network analysis. Students form complete graphs with different colored edges (representing acquaintance or non-acquaintance), and determine how...
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.
Activity
Annenberg Foundation

Annenberg Learner: Geometry 3 D Shapes: Platonic Solids

For Students 9th - 10th Standards
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:...
Activity
Math Is Fun

Math Is Fun: Platonic Solids: Why Five?

For Students 9th - 10th
Use Euler's Formula and properties of known platonic solids' faces, edges, and vertices to determine why only five platonic solids exist.
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...
Lesson Plan
Alabama Learning Exchange

Alex: Platonic Solids Ornaments

For Teachers 9th - 10th
This is a hands-on activity that introduces students to the five Platonic solids. Students will discover the special relationship between faces, vertices, and edges. Students will research the Platonic solids and then construct and...
Lesson Plan
Better Lesson

Better Lesson: Prism or Pyramid?

For Teachers 6th Standards
Sixth graders explore the faces, bases, edges, and vertices of prisms and pyramids to help develop the concepts of volume and surface area.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Street Orchestra: 3 D Space

For Students 2nd - 3rd
Join Allegro in his street orchestra and learn about 3D shapes.
Unit Plan
Cuemath

Cuemath: 3 D Shapes

For Students 1st - 8th Standards
Introduces the concept of 3D shapes by learning the definition, types, properties, and three dimensions. Check-out the solved examples for better understanding and try your hand at solving a few interactive questions at the end of the page.
Handout
Wolfram Research

Wolfram Math World: Graphs

For Students 9th - 10th
MathWorld.com shows many types of discrete math graphs and provides links to related topics.
Handout
Other

Geeks for Geeks: Graph Coloring|set 1 (Introduction and Applications)

For Students 10th - 12th
Graph coloring problem is to assign colors to certain elements of a graph subject to certain constraints. This source looks at different applications of graph coloring.
Whiteboard
ClassFlow

Class Flow: Solid and Plane Figures

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] Students will learn the 6 solid figures and characteristics, including face, edge, and vertices. Students will learn the plane figures when looking at the solid figures. Students will then take a 10...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Tea Store: 3 D Space

For Students 1st - 3rd
Can you help Leela find objects of different 3D shapes in her parents' tea store?
Interactive
BBC

Bbc: Bitesize: Ks2: What Are the Properties of 3 D Shapes?

For Students 2nd - 6th Standards
Watch a video and complete the activities to learn about the properties of 3D shapes.
Handout
Other

Geeks for Geeks: Graph and Its Representations

For Students 10th - 12th
The choice of graph representation is situation-specific. It totally depends on the type of operations to be performed and ease of use. This reference explains the most commonly used representations of a graph: Adjacency Matrix and...
Article
Other

Free Codecamp: How to Think in Graphs

For Students 10th - 12th
In this article, we're going to demonstrate various applications of graph theory. These applications will contain detailed illustrations. As the author states, if you've been looking for a "graph theory and everything about it tutorial...
Handout
Wolfram Research

Wolfram Math World: Graph Coloring

For Students 9th - 10th
A very brief description of graph coloring.
Whiteboard
ClassFlow

Class Flow: Build 3 D Shapes

For Teachers 3rd - 5th
[Free Registration/Login Required] In this interactive flipchart students use colored lines and circles to build 3D shapes to learn and review.
Activity
University of Cambridge

University of Cambridge: Nrich: All in the Mind

For Students 3rd - 8th
You will have to use visualization to help you solve this challenge. At this one page website, you will be able to check your solution.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Flat Surfaces in Various 3 D Shapes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to count the number of faces in various three dimensional shapes.

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