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There are 18 videos in this category and 356 videos in 83 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 12 - 17
1182 Views:
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The instructor uses an electronic chalkboard to demonstrate how to solve a multi-step equation with variables on both side of the equation. One example is modeled using a step by step approach to solve for x.
April 28, 2010 at 08:59 PM
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Not Right For WatchKnowLearn
Ages: 12 - 17
1171 Views:
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In math, the absolute value of a number is its distance from zero. Solve absolute value equations with tips from a math teacher in this video on solving math problems.
July 11, 2009 at 11:00 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1049 Views:
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Khan Academy Presents: 1-5, absolute value equations and systems of equations. This video moves slowly enough for most students.
December 9, 2010 at 01:12 AM
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Not Right For WatchKnowLearn
Ages: 9 - 18
917 Views:
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This 14 minute video answers the following questions:
What does it mean to solve an equation? How do you solve equations? How to write an equation. It uses a white board or narrator.
June 8, 2011 at 11:36 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
760 Views:
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Using computer software, Sal Khan, of Khan Academy, focuses on how to solve this equation: Evaluate 3 and 1/2 Swhen X=5 and when X= -5.
(07:15)
July 16, 2011 at 09:44 AM
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Not Right For WatchKnowLearn
Ages: 6 - 10
574 Views:
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In this video segment from Cyberchase, Inez and Digit are attempting to gain access to a machine in order to save Sensible Flats from disaster. First, they must balance a scale to get the correct numeric access code. In order to do that they have to ...balance a scale using four weights on each side. They soon learn that adding or removing the same weight from each side does not upset the balance of the scale. (3:15)
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February 20, 2012 at 09:10 AM
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Not Right For WatchKnowLearn
Ages: 7 - 12
543 Views:
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In this video segment from Cyberchase, the CyberSquad must figure out the correct number code to unlock a machine. They have two numbers on one side, but are missing one of the numbers on the other side. The sum of the numbers must be equal on each s...ide, so by subtracting the same number from each side they are able to determine the missing number. (1:33)
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February 25, 2012 at 04:41 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
535 Views:
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What is wrong in this equation? Can you solve it? This video shows work done to solve a problem. It shows how a wrong answer is derived and the students who are viewing need to figure out what was done incorrectly. A nice sponge activity. The video i...s set to music while a picture is shown of a hand working out the equation on a piece of paper. (03:39)
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February 27, 2012 at 10:33 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
896 Views:
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1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to solve one-step division equations. For example, to solve x/4 = 2, multiply both sides of the equation by 4, to get x = 8. Next, check t...he solution by substituting an 8 back into the original equation, to get (8)/2 = 4, which is a true statement, so the solution checks. (01:20)
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September 13, 2011 at 11:59 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
468 Views:
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This seven minute video provides and overview of how to solve a radical equation/inequality. It uses graphics and a narrator and moves slowly enough for students to follow if they are familiar with the process.
April 21, 2012 at 10:10 PM
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