Curated Video
Representing Three-Dimensional Figures with Nets
In this video, the teacher explains how to represent three-dimensional figures in two dimensions using nets. They define dimensions and give examples of one-dimensional, two-dimensional, and three-dimensional figures. They also...
Curated Video
Calculating Volume Using Nets of Rectangular Prisms
In this lesson, students will understand that a net is a 2-dimensional representation that can be folded to create a 3-dimensional shape. By using multiplication and addition, students will calculate the volume of a solid by counting the...
Curated Video
Nets (Part 1) (Use a net to find the surface area of a solid formed by rectangles and triangles)
The three dimensions that form a solid are: length, width, and height.
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...
Brian McLogan
Sketch a figure from 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...
Brian McLogan
Sketch a net from a 3D figure
👉 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...
Flipping Physics
Merry-Go-Round - Conservation of Angular Momentum Problem
A 25 kg child is sitting on the edge of a merry-go-round. The merry-go-round has a mass of 255 kg and is rotating at 2.0 radians per second. The child crawls to the middle of the merry-go-round. What is the final angular speed of the...
National Geographic
What's in Peanut Butter? | Ingredients With George Zaidan (Episode 7)
Crunchy versus creamy, runny versus solid ... there’s a lot more to peanut butter than just peanuts and salt. ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Watch all episodes of Ingredients here: http://bit.ly/WatchIngredients ➡ Get...
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.
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.
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...
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.
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.
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...
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...