Corbett Maths
Volume of a Prism
Not all prisms are cubes. A short video introduces the definition of a prism and uses that definition to create a general volume formula. Worksheets provide pupils several opportunities to practice finding the volume of a wide variety of...
CK-12 Foundation
Three Dimensions in Two Dimensions: Lesson
Slice up solids. A portion of a geometry playlist introduces two conventional ways to visualize 3-D figures in 2-D. The resource defines cross-sections and nets and provides examples of both.
Real Engineering
Area Rule: How to Make Planes Fly Faster
It's a bird, it's a plane, it's a modern aircraft with cross-sectional areas taken into consideration. A short video in the Real Engineering playlist describes how cross-sectional areas of airplanes relate to their speeds. It shows...
Engenius Films
3-D printing
Tired of printing in 2-D?. An informative video explains the basics of printing in three dimensions. It goes on to point out some of the fun and practical applications the new technology offers.
National Science Foundation
Science of NFL Football: Geometric Shapes
Ever wonder why a football has such an unsual shape? Find out with this video from the Science of Football colelction that examines how the geometric properties of a football make it perfectly suited for being thrown accurately over...
Khan Academy
Khan Academy: Slicing a Rectangular Pyramid
Demonstrates what types of shapes one can get in a cross-section when a rectangular pyramid is sliced. [3:29]
Sophia Learning
Sophia: Cross Sections of Solids
This video tutorial investigates cross sections of geometric solids and provides examples of the drawings. Students can check their understanding with an assessment. [4:21]
Planet Nutshell
Planet Nutshell: Math Shorts: Slicing 3 D Figures
Planet Nutshell Math Shorts provide animated videos that explain various math topics. Students learn about slicing three-dimensional figures.
Imagine Learning Classroom
Learn Zillion: Visualize Cross Sections of Pyramids
In this lesson, you will learn how to visualize the 2D cross-sections of pyramids by determining the number of faces intersected by a plane. [3:53]
Khan Academy
Khan Academy: Ways to Cross Section a Cube
Explores the variety of two-dimensional cross-sections that can be obtained by slicing a cube. [7:23]
Khan Academy
Khan Academy: Ways to Cross Section a Cube
Learn about all the different ways we can obtain cross-sections of a cube.
Khan Academy
Khan Academy: Features of a Circle From Its Standard Equation
Sal finds the center and the radius of the circle.