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Why Are Manhole Covers Round? Instructional VideoWhy Are Manhole Covers Round? Instructional Video
Publisher
TED-Ed
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
8th - 12th
Subjects
Math
1 more...
Resource Type
Instructional Videos
Media Length
3:35
Audiences
For Teacher Use
1 more...
Instructional Strategies
Direct Instruction
2 more...
Technology
Video
Internet Access
Accessibility
Closed Captions
1 more...
Year
2015
Usage Permissions
Fine Print
Instructional Video

Why Are Manhole Covers Round?

Curated and Reviewed by Lesson Planet
This Why Are Manhole Covers Round? instructional video also includes:
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Discover the peculiar geometric property of the curve of constant width, the Reuleaux triangle, and their intriguing connection to manhole covers with yet another fascinating TED-Ed video. 

6 Views 4 Downloads
CCSS: Adaptable

Concepts

area of triangles, equilateral triangles, perimeter of triangles, triangle properties, area of circles, circles

Additional Tags

math

Instructional Ideas

  • Consider having some manipulatives or three-dimenstional objects on hand in order to further demonstrate the concepts being discussed

Classroom Considerations

  • Pupils should have a strong understanding of several geometry concepts, such as pi, the points of a triangle, and calculating the area and perimeter of all geometric shapes, prior to beginning this video

Pros

  • Illustrations and animations help to explain the geometry concepts
  • Includes customizable online assessment, additional resources, and discussion questions

Cons

  • Speaker moves very fast through the material; it will be important to pause at several points in order to clarify concepts and answer questions

Common Core

HSG-SRT.B.4 HSG-SRT.B.5 HSG-GMD.B.4 RST.11-12.7

View 52,236 other resources for 8th - 12th Grade Math

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