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Curated Video
Identifying Geometric Figures in Two-Dimensional Shapes
In this lesson, students will learn how to identify and classify geometric figures in two-dimensional shapes. They will understand the properties of points, lines, rays, and angles and use them to analyze shapes. By recognizing parallel...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Similar Shapes - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Volume - Cone and Hemisphere - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: 3D Shapes - Surface Area - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...
Curated Video
How to Identify Vertices, Edges & Faces in Three Dimensional Figures
In this video lesson we will learn how to identify vertices, edges and faces on a three-dimensional solid. We will learn that the edges meet at the vertices. We will discover that each face is formed by edges. We will discover the...
Curated Video
Dimensional Change 3 (advanced applications)
In this video, we investigate how changing the linear dimensions of a three dimensional solid affects the volume and surface area. Specifically, how do we solve for missing values (like side length, volume and surface area) when we are...
Curated Video
Dimensional Change 2 (practice and applications)
In this video, we practice calculating how volume and surface area would change as we change the linear dimensions of 3d figures.
Curated Video
Visualizing Two-Dimensional Cross-Sections of Cones
In this video, the teacher explains how to visualize and identify the two-dimensional cross-sections of cones. They discuss the different shapes that result from slicing through cones at different angles, such as triangles, parabolas,...
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...
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...
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.
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,...
Khan Academy
Find the Volume of a Triangular Prism and Cube, Geometry
By describing the formula used to calculate the volume of a triangular prism, Sal gives students practice in solving volume equations. The questions are straightforward 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....
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...
Sophia Learning
Sophia: Volume of Composite Figures
This lesson will present how to apply the volume formulas of prisms, cylinders, pyramids, cones, spheres, and hemispheres to find the volume of composite figures. Student watch a video tutorial and then can take an online quiz.
CK-12 Foundation
Ck 12: Elem Math: Overview of Basic 3 D Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of three dimensional figures.
Sophia Learning
Sophia: Volume of Composite Figures
This lesson will present how to apply the volume formulas of prisms, cylinders, pyramids, cones, spheres, and hemispheres to find the volume of composite figures. Student watch a video tutorial and then can take an online quiz.
Sophia Learning
Sophia: Volume of Composite Figures
This lesson will present how to apply the volume formulas of prisms, cylinders, pyramids, cones, spheres, and hemispheres to find the volume of composite figures. Student can watch a video tutorial and then take an online quiz.
Sophia Learning
Sophia: Scale Factor and Volume of Similar Solids
Explore the relationship between scale factor and volume of similar solids. Assess learning with a quiz.
Sophia Learning
Sophia: Similar Solids
Explore how objects can have the same shape but not the same size and how they are categorized as similar solids. Assess learning with a quiz.
Sophia Learning
Sophia: Surface Area and Volume in Similar Solids
Explore how similar solids affect surface area and volume. Assess learning with a quiz.