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Ch 38: WEST Middle Grades Math: Polyhedrons & Geometric Solids

About This Chapter

Watch these brief, engaging videos to review polyhedrons and geometric solids. Our instructors define key terms and provide examples of these geometric shapes to prepare you for the WEST Middle Grades Math exam.

WEST Middle Grades Math: Polyhedrons & Geometric Solids - Chapter Summary

Let us refresh your knowledge of three-dimensional solids in geometry as you study for the WEST Middle Grades Math exam. Lesson in this chapter cover:

  • Defining the types and characteristics of polyhedrons
  • Examining the front, side and top views of 3-dimensional figures
  • Counting nets for 3-dimensional figures
  • Finding the area and volume of 3-dimensional figures
  • Defining platonic solids

Our video lessons provide an engaging and effective way to re-familiarize yourself quickly with geometry concepts. Each video, taught by experienced instructors, is less than 10 minutes long. Lesson quizzes are also available to help you assess your mastery of the materials covered by the instructors.

WEST Middle Grades Math: Polyhedrons & Geometric Solids Chapter Objectives

The state of Washington uses the WEST Middle Grades Math test as part of the certification process for teaching middle school math. The test consists of four content domains. The Measurement and Geometry content domain constitutes approximately 25% of all test questions. Questions about polyhedrons and geometric solids will fall under this content domain. Be sure to take our chapter exam to ready yourself to answer these types of questions on the test.

The full test has 150 multiple choice questions presented in a computer-based format. You will have 4 hours and 15 minutes to complete the test.

12 Lessons in Chapter 38: WEST Middle Grades Math: Polyhedrons & Geometric Solids
Test your knowledge with a 30-question chapter practice test
What is a Polyhedron? - Characteristics & Examples

1. What is a Polyhedron? - Characteristics & Examples

After watching this video lesson, you will be able to identify a polyhedron when you see one. You will also be able to tell your friends what the distinguishing identifying factor of a polyhedron is.

Types of Polyhedrons

2. Types of Polyhedrons

After watching this video lesson, you will know how to identify polyhedrons and you will become familiar with the common types of polyhedrons found in the world. You will also see real-world examples of polyhedrons in action.

Counting Faces, Edges & Vertices of Polyhedrons

3. Counting Faces, Edges & Vertices of Polyhedrons

After watching this video lesson, you will be able to count how many faces, edges, and vertices a polyhedron has. Also, you will learn how the number of faces, edges, and vertices are related.

Front, Side & Top View of 3-Dimensional Figures

4. Front, Side & Top View of 3-Dimensional Figures

This lesson goes over the front, side, and top views of numerous 3-dimensional figures. You'll learn that while some look exactly the same from most angles, others do not.

Nets of 3-Dimensional Figures

5. Nets of 3-Dimensional Figures

After watching this video lesson, you will be able to deconstruct a 3-dimensional figure into its 2-dimensional net. Learn what kind of shape you will get after opening and flattening your 3-dimensional figure.

Planes and the Polyhedron: Definition and Example

6. Planes and the Polyhedron: Definition and Example

Did you ever wonder what the pyramids in Egypt have to do with math? Watch this video to find out where in math a pyramid comes into play. Also, learn how flat, 2-dimensional shapes also come into play.

What Are Platonic Solids? - Definition and Types

7. What Are Platonic Solids? - Definition and Types

Watch this video lesson, and you will learn that there are only five platonic solids in the whole world. You will also learn what they look like and see real-life examples.

Prisms: Definition, Area & Volume

8. Prisms: Definition, Area & Volume

Watch this video lesson and you will see that there are different kinds of prisms. You will also learn how to separate a prism into its various parts so you can easily find the surface area. You will also learn the formula for the volume.

Pyramids: Definition, Area & Volume

9. Pyramids: Definition, Area & Volume

Do you think of the great pyramids of Egypt when you hear the word pyramids? Watch this video lesson to learn why they are called pyramids and also how to find their surface area and volume.

What Are Cylinders? - Definition, Area & Volume

10. What Are Cylinders? - Definition, Area & Volume

Watch this video lesson to learn why soda cans are cylinders and the method by which you can discover how much soda can fit inside by finding the volume. You will also learn about finding a cylinder's surface area.

Cones: Definition, Area & Volume

11. Cones: Definition, Area & Volume

Watch this video lesson to learn where in the real world you will see cones. Also, you will learn the formulas for finding the surface area and volume of these cones.

Spheres: Definition, Area & Volume

12. Spheres: Definition, Area & Volume

Watch this video lesson to learn how you can find the surface area and volume of spheres. Learn the formulas and measurements you need to solve problems and discover how to identify spheres in the real world.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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Other Chapters

Other chapters within the WEST Middle Grades Mathematics (203): Practice & Study Guide course

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