Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

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Category Videos
Not Right For WatchKnowLearn
Ages: 9 - 15
Dunk Tank: Area of Squares & Rectangles (Interactive Game)
From pbslearningmedia.org, produced by Cyberchase
Dunk Tank is a math-themed game show created by the producers of Cyberchase and starring Harry from Cyberchase For Real. Using a combination of video and interactive gaming, each program addresses a single topic in the 6th grade math curriculum and s... [more]
June 18, 2012 at 09:10 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
How to Compute Area of Rectangles
From 5min, produced by TenMarks
How to compute area of rectangles - TenMarks teaches you how to compute area and perimeter of a rectangle. (04:33)
March 26, 2011 at 02:12 PM
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Not Right For WatchKnowLearn
Ages: 8 - 14
Area of Combined Shape - Turtle Combo (Interactive)
From pbs.org, produced by KAET
Calculate the area of geometric shapes composed of two or more geometric figures.
June 14, 2012 at 12:07 AM
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Not Right For WatchKnowLearn
Ages: 7 - 10
Perimeter and Area
From YouTube, produced by Creative Teaching Press
This video teaches relationship between perimeter and area by having students trace shapes that have a perimeter of 12 inches and varying areas. Song about perimeter is included.
August 21, 2009 at 01:04 PM
Comments: 1
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Not Right For WatchKnowLearn
Ages: 9 - 13
Area of Rectangles
From YouTube, produced by Ten Marks
Learn to find the area of rectangles in this video. The instructor first reviews some basics about polygons and rectangles. In her first problem, she shows how to find the area of a rectangle by tiling it. She shows how tiling it and counting the squ... [more]
Found by wendyofoz in 3.MD.C.7d
October 27, 2012 at 01:31 AM
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