5.NF.B.4b

Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas.

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Category Videos
Not Right For WatchKnowLearn
Ages: 9 - 15
4526 Views:
Fractions - Rectangle Multiplication - A Virtual Manipulative
From usu.edu, produced by Utah State University
Visualize and practice multiplying fractions using an area representation. Use this virtual manipulate to graphically demonstrate, explore, and practice multiplying fractions. The grid shows two fractions multiplied together by showing one fraction ... [more]
May 15, 2010 at 08:42 PM
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Not Right For WatchKnowLearn
Ages: 10 - 14
949 Views:
Area of a Rectangle with Fractional Side Lengths
From YouTube, produced by Mathlablady4
The instructor demonstrates how to find the area of a rectangle. One of her sample problems is a rectangle with side lengths 7/5 in. and 3/14 in. She does a good job relating finding area to a real life situation, as she describes carpet in a living ... [more]
Found by wendyofoz in 5.NF.B.4b
October 27, 2012 at 01:49 AM
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Not Right For WatchKnowLearn
Ages: 11 - 15
589 Views:
Finding the Area of a Rectangle with Fractional Side Lengths
From YouTube, produced by Hooda Math Tutorials
The instructor, who is dressed like a pig, explains how to find the area of a rectangle with fractional side lengths. He draws a rectangle inside a tiled unit square, then works through the steps of multiplying to find the area.
Found by wendyofoz in 5.NF.B.4b
October 27, 2012 at 01:13 AM
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Not Right For WatchKnowLearn
Ages: 10 - 14
401 Views:
Fraction times Fraction Rectangle
From YouTube, produced by Math 8 Wiki
This video uses a SMART board to show how to find the area of a rectangle with fractional lengths. The problem is worked out by two students. **The video has no sound or narration, but it could be a good tool to use to ask students to narrate it as t... [more]
Found by wendyofoz in 5.NF.B.4b
October 27, 2012 at 01:42 AM
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