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Solving Proportion Problems
There are 17 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 11 - 16
1265 Views:
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The instructor uses a white board to demonstrate 3 ways to solve proportions. The three methods used are multiplying up and down by the same multiple, multiplying across by the same multiple, or by using cross multiplication.
March 7, 2010 at 05:11 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
2704 Views:
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In order to make solving proportions with mixed numbers easier, simply turn the mixed number into an improper fraction. Solve proportions with mixed numbers by using cross multiplication. The instructor uses a document camera for demonstration.
March 7, 2010 at 05:18 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
1361 Views:
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This Excellent video from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than eight years. This video explains what means and extremes are in the context of proportions. It defines each term ...and shows how to solve a simple proportion problem.
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July 17, 2009 at 09:09 AM
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Not Right For WatchKnowLearn
Ages: 10 - 15
989 Views:
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How can you tell if two ratios are equal to each other? Watch this video and learn how. This video by Duane Habecker is part of the video collection at NextVista.org (http://nextvista.org), a proud partner of Curriki.
June 30, 2009 at 01:00 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
944 Views:
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The instructor discusses the fundamental rule of proportions and all proportions are solved using this rule. Several examples are presented on a white board using a step by step approach. For Exercise and Answer sheets, go to: http://freemathtutorin...g.googlepages.com
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February 2, 2010 at 01:10 PM
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Not Right For WatchKnowLearn
Ages: 9 - 15
913 Views:
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In this video, the instructor, using a white board, show how to do two word problems involving proportions. This video is for upper elementary students and older. run time 3:14
December 31, 2009 at 06:23 PM
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Not Right For WatchKnowLearn
Ages: 11 - 15
706 Views:
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In this video, a teacher explains percentages and proportion using a "real-life" example of calculating a tip on a restaurant bill. The teacher demonstrates calculating 15% of 30 using a proportion. ( 2:33)
November 30, 2011 at 06:19 PM
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Not Right For WatchKnowLearn
Ages: 10 - 14
681 Views:
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In this video, a teacher demonstrates solving proportiona using vertical and horizontal relationships and cross-products. The problems are worked on a white board as the teacher explains each step. ( 2:33)
November 30, 2011 at 05:48 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
1039 Views:
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In this video students learn that a proportion is an equation that states that two ratios are equal. Students then learn the properties of proportion, and are asked to solve for x in given proportions, and to solve word problems involving proportions.... Examples of solving proportions are made with marker on a white board.
Run time 2:56
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February 2, 2010 at 12:43 PM
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Not Right For WatchKnowLearn
Ages: 10 - 15
1178 Views:
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Instructor uses and electronic chalkboard to demonstrate how to solve proportions. Examples show how to solve using mental math and looking for a pattern with emphasis on using cross multiplication.
April 15, 2010 at 12:00 AM
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