Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.

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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 - 13
Same Area and Perimeter: Shape Detective (Interactive)
From pbs.org, produced by MathActive
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: 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 - 13
Finding Patterns in Tiles (Interactives)
From pbs.org, produced by KAET
Review area and perimeter of rectangles. Use formulas to solve problems and investigate how charts can assist in pattern recognition and making predictions.
June 18, 2012 at 10:49 PM
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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.7c
October 27, 2012 at 01:31 AM
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