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There are 22 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 12 - 18
947 Views:
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In this three-minute video, Sal Khan, using computer software, demonstrates how to find the area of a trapezoid.
November 13, 2011 at 03:17 PM
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Not Right For WatchKnowLearn
Ages: 10 - 14
338 Views:
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In this lesson, learn to find the area of a parallelogram by decomposing it into a rectangle. The video reviews what area is and how to find area using square units. In the core lesson, the instructor discusses the base and height of a parallelogram ...before showing the steps of finding the area by decomposing it into a rectangle. (3:37)
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January 3, 2013 at 10:43 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
3093 Views:
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This video shows that visual aids such as pictures are helpful in teaching geometry. Dr. Stefan Forcey received his Ph.D. in mathematics from Virginia Tech University in 2004. He is currently teaching mathematics as an assistant professor at Tennesse...e State University.
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July 17, 2009 at 07:35 AM
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Not Right For WatchKnowLearn
Ages: 9 - 13
484 Views:
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Distinguish between the perimeter and area in contextual situations. Identify polygons having the same perimeter or area.
July 17, 2012 at 03:48 PM
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Not Right For WatchKnowLearn
Ages: 10 - 14
407 Views:
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This selection contains video of a student in front of her room explaining how to find the area of her home's garden. The student has a diagram of the garden drawn on a chart. She explains the formula ( length times width) and demonstrates finding ...the area of each section and adding them to compute area of the entire garden. ( 1:03)
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November 29, 2011 at 06:32 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
383 Views:
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In this eight-minute video, Sal Khan focuses on using what we know about triangles to find the area of a regular hexagon.
November 3, 2011 at 02:36 AM
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Not Right For WatchKnowLearn
Ages: 15 - 18
357 Views:
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In this five-minute video, Sal Khan of Khan Academy, offers the proof of the area of a rhombus using diagonal length.
October 31, 2011 at 07:24 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
343 Views:
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This instructor from BrightStorm shows how to derive the area of a trapezoid formula using the area of a rectangle. (03:40)
November 13, 2011 at 03:19 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
330 Views:
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In this six-minute video, Sal Khan proves that the area of a parallelogram is base times height.
November 6, 2011 at 08:01 AM
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Not Right For WatchKnowLearn
Ages: 9 - 18
330 Views:
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This 4:43 minute long video reviews finding the area of a trinage using Heron's formula which is used to figure out the area of a triangle when height is not given. This is part of a series, but this video provides enough instruction to start student...s. The video offers specific examples at the end.
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May 15, 2011 at 09:30 AM
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