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Word Problems Using Proportion and Ratio

There are 6 videos in this category and 3 videos in 1 subcategory.


Category Videos
Not Right For WatchKnowLearn
Ages: 13 - 18
Writing Proportions - Khan Academy
From YouTube, produced by Sal Khan
Sal Khan of Khan Academy demonstrates how to set up proportions to solve a word problem in this six-minute video.
August 26, 2011 at 07:53 PM
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Not Right For WatchKnowLearn
Ages: 12 - 17
Advanced Ratio Problems - Khan Acadeny
From YouTube, produced by Salman Khan
More advanced ratio problems. This ten-minute video starts off with a black screen because the narrator uses it as a 'chalkboard'. This video is appropriate for older middle and high school students.
August 22, 2009 at 08:21 AM
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Not Right For WatchKnowLearn
Ages: 10 - 16
How to use Ratios and Proportions to Solve Real World Problems
From YouTube, produced by mrtedmartin
Instructor uses a Power Point presentation to demonstrate how to use ratios and proportions to solve problems real world problems.  Unit rates are discussed and definitions are given.  Solving unit rate problems are modeled and a calculator is used f... [more]
April 14, 2010 at 11:46 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
Finding Unit Ratios
From Curriki, produced by NextVista for Learning
Sometimes you need the number "1" in the denominator. Do you know why? Find out, and in the process, you'll be able to handle a set of word problems that may have been vexing you. This video by Duane Habecker is part of the video collection at NextVi... [more]
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 10 - 13
Finding the Whole From a Percent
From nextvista.org, produced by Duane Habecker
In this video, a teacher presents this problem: Six apples equals thirty percent of the entire barrel of apples; what is the total? The teacher solves the problem with a drawing and by using proportions.  ( 3:52)
September 11, 2011 at 10:48 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
Solving Direct and Inverse Variation Word Problem
From YouTube, produced by www.mathtv.com
This video shows an algebra word problem that includes the concepts of direct and inverse variation or proportion.  The instructor explains the steps necessary to solve the problem and shows the steps on a white board as he completes them.
February 10, 2010 at 02:41 PM
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