Numberphile
Shapes and Solids of Constant Width
Roll right along with an informative lesson that makes cents. Scholars learn that some shapes roll without any change in its width. The video in the Numberphile "Coins" series starts with two-dimensional figures, such as Reuleaux...
Curated OER
What is a Cylinder?
Follow along as the instructor explains what makes a solid shape a cylinder. Yes, learning the meaning of these terms: cylinder, base, curved side, curved face, congruent bases, solid, three dimensional, area, circumference, parallel,...
Educator.com
Volumes: Solids That are Not Solid of Revolution
Viewers learn how to calculate the volume when the cross section is not a circle by using the same principle as if it was a circle. The video goes through an example of finding the volume of a figure where the cross sections are squares...
Curated OER
How Do You Identify a Three-Dimensional Figure from a Net?
Learn how to use two-dimensional nets to identify their corresponding three-dimensional figure. The instructor uses diagrams to illustrate the two-dimensional nets and talks about the characteristics of each one to identify its...
Curated OER
How Do You Find the Volume of a Composite Figure?
Trying to find the volume of a composite figure? Wait! What's a composite figure? A composite figure is a combination of familiar simpler figures. So the composite figure can be taken apart and represented as the simpler figures in order...
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.
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 elevations and...
Corbett Maths
Views and Elevations
The view depends upon location. A short video introduces the idea of views and elevations of 3-D figures. Using figures composed of cubes, the presenter creates their front, side, and plan views. The last figure requires the viewer to...
Virtual Nerd
What is a Prism?
I always thought a prism was a solid triangular shaped piece of glass that made rainbows when the light shined through it. Well, that is a prism, but that is only one example of a prism, as prisms are three-dimensional solids of a...
Corbett Maths
Nets
You've netted a great resource! Young mathematicians learn about the nets of three-dimensional solids by watching a brief video. The resource includes some test-taking tips on the topic for those studying for the GCSE.
Curated OER
Solid Geometry Volume
By describing the formula used to calculate the volume of a triangular prism, Sal gives students practice in solving volume equations. The questions are straight-forward and solved in an easy to follow manner. Show this to your class as...
Curated OER
What is the Formula for the Volume of a Prism?
Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....
Flipped Math
Volume of Prisms and Cylinders
Fill young minds with knowledge of volume. Pupils learn the formulas for finding the volume of prisms and cylinders by watching a video. They see several examples where the narrator calculates the volume of given solids.
Corbett Maths
Edges, Faces, Vertices
Take the edge off of learning about solids. A short video explains how to count the number of edges, faces, and vertices of three-dimensional figures. It works through several examples, including a cube, a square pyramid, a triangular...
Krista King Math
Surface Area of Prisms
Create a solid understanding of the concept of surface area. Building from the previous lesson in the series, the instructor demonstrates how to apply a formula to find the surface area of a rectangular prism. Examples use the formula to...
The Great War
The Forgotten War Heroine - Milunka Savic
While she was forgotten for much of the twentieth century, historians rediscovered Milunka Savic's exploits for the Serbian army during World War I. Although command was unsure of what to do with a female solider, Savic went on to prove...
Corbett Maths
Names of 3D Shapes
Quick, name that shape! Scholars learn the names and common properties of three-dimensional solids. They watch a short video that shows an example of each shape and identifies the two-dimensional faces that make up its surfaces.
Crash Course Kids
(LEGO) Block Party
Get your blocks out! It's time to start building and learning about mass! Enthusiastic chemists get in-depth information about the conservation of mass and the way it applies to chemical changes.
Krista King Math
Nets of Cones
Use a net to catch your classes in the process of learning! A video instruction demonstrates how to draw the net of a three-dimensional cone. The nets include scale and labeling of dimensions.
Krista King Math
Surface Area of Cones
Formulas are an essential part of mathematics, so help your class master them. The concept video exposes learners to the elements of the surface area formula for cones. The examples demonstrate the process of using measurements within...
Curated OER
How Do You Use the Fundamental Counting Principle to Count the Number of Outcomes in a Sample Space?
Sometimes all you need is an image to help solve a word problem. This tutorial shows how drawing picture can help you determine a correct number of possibilities with given data. You can also use the FCP or fundamental counting principle...
A&E Television
Castro and the Cuban Revolution
This resource provides a brief video describing key figures and events that were involved in the Cuban Revolution.
Crash Course
A Brief History of the Universe
No one was actually there to see the birth of the universe, but years of collaboration between physicists and mathematicians allow us to glimpse all but a fraction of a second of it. A narrated journey shows the phase changes early...
Curated OER
What is a Cone?
What are the things that make a shape a cone? Here's a list of things that define a cone: base, height, vertex, radius, curved side. Are you familiar with all these terms? The teacher diagrams a cone and identifies all the components in...
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