Curated Video
Slicing a 3D Figure
In this math video we will describe the two dimensional face formed from slicing a 3D figure. We will relate the number of faces passed through when slicing to the number of sides on the two dimensional cross section. We will visually...
Curated Video
Describing Cross-Sections of a Right Rectangular Pyramid
In this video, students learn how to describe the cross-sections of a right rectangular pyramid by slicing at different angles. They are introduced to the concept of cross-sections and how they result from cutting a 3-dimensional shape...
Curated Video
Finding the Surface Area of Prisms & Pyramids
This video is a math lesson on finding the surface area of prisms and pyramids. The teacher explains the concepts of three-dimensional solids, identifies the different types of prisms and pyramids, and provides strategies for finding...
CK-12 Foundation
Pyramids: Lesson
Pyramids: they're not just in Egypt! The segment of a large geometry playlist introduces the formulas to find the volumes and surface areas of regular pyramids. Using the formulas, the presentation works several examples to ensure your...
Mathed Up!
Nets, Plans, and Elevations
A dimensional resource teaches viewers to recognize 2-D views of 3-D objects and how to match nets with their 3-D figures. Individuals draw different views of three-dimensional objects including views from the front, side...
Krista King Math
Surface Area of Regular Pyramids
Paint, wrapping paper, frosting—so many applications of surface area. The video provides an explanation of the surface area formula and how to apply it to regular pyramids.
Krista King Math
Nets of Pyramids
An instructional video shows how to create nets for different types of pyramids. The instructor demonstrates the variation in the net as the type of base changes.
Krista King Math
Volume of Pyramids
Help your classes form an appreciation for pyramids like the Egyptians! The instructional video explains the components of a pyramid and the formula for the volume of the pyramid. The example shows how to calculate the volume given...
Curated OER
How Do You Find the Volume of a Rectangular Pyramid?
How do you find the volume of a rectangular pyramid? Watch this video and find out! In the tutorial, a lecturer works through an example problem. While she works, she describes each step and each formula necessary to solve the problem. A...
Curated OER
How Do You Find the Volume of a Rectangular Pyramid?
How do you find the volume of a rectangular pyramid? Watch this video and find out! In the tutorial, a lecturer works through an example problem. While she works, she describes each step and each formula necessary to solve the problem. A...
Curated OER
What is a Pyramid?
One base, triangular sides, and defined polygons are all parts of what make up a pyramid. Check out this video and see the instructor draw pictures of a variety of pyramids. She identifies the specific parts and gives them names based on...
Virtual Nerd
Virtual Nerd: What Is a Pyramid?
This tutorial explains what a three-dimensional solid needs to be called a pyramid and also how to name these pyramids. [4:07]