Curated Video
Calculating the Force Exerted by an Object on a Table
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2HR Q2, which involves force. By using the formula for pressure and the given dimensions of the rectangle, we will work through the steps to...
Brian McLogan
Graphing a linear inequality greater than or equal to
👉 Learn how to graph linear inequalities written in slope-intercept form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also...
Brian McLogan
What is a net
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Curated Video
Understanding Area, Surface Area, and Volume: Choosing the Right Units
In this video, the teacher explains how to determine whether to find area, surface area, or volume in different situations by considering the units needed. The video provides examples and explanations for each measurement type, making it...
Curated Video
Understanding Measurement: Area, Surface Area, and Volume
In this video, the teacher explains how to determine whether to measure in square units (area), surface area, or cubic units (volume) in different situations. They provide examples and clarify that area is used for 2D objects, surface...
Curated Video
Computing Volume: Multiplying the Area of the Base Times the Height
In this video, the teacher explains how to determine the volume of a prism by multiplying the area of the base by the height. They provide examples and guide students through the process step by step.
Curated Video
Calculating Volume of Prisms
In this lesson, students learn how to determine the volume of a prism by analyzing layers and counting cubes. They are introduced to the concept of cubic units and how they can be used to measure the volume of different objects.
Brightstorm
3-D Solid Properties
Let's move into the third dimension! Learners explore the vocabulary and notation related to three-dimensional figures. The video covers examples of pyramids, but the vocabulary is universal to all 3-D objects.
CK-12 Foundation
Similar Solids: Lesson
Blow up a solid by a scale factor. A section of a larger playlist on basic geometry introduces the ratios of the surface areas and volumes of similar solids. Using the ratios, the video works several examples involving similar figures.
CK-12 Foundation
Composite Solids: Lesson
Combine the formulas to arrive at one volume. Using the formulas for different solids, the video introduces finding the volume of composite solids. The portion of an extensive playlist on geometry works a couple of problems, one with an...
Anywhere Math
Three-Dimensional Figures
Who knew there were so many parts to a geometric solid?! Well, you probably did, and your pupils will, too, after watching a video lesson on three-dimensional figures. Instruction includes a description of the parts of solids, naming...
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...
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...
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,...
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...
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
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...
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....
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...