Acute, Obtuse and Right Angles Song
To a rocking tune of Old McDonald Had a Farm, this video features students singing a simple song that teaches acute, obtuse, and right angles. Students form the angles with their hands. (01:04)
This is a rap song about angles. The song explains acute, right, and obtuse angles. The animations of the angles are clear. This would be a fun introduction to angles. (01:56)
How to Factor a Trinomial with a Greatest Common Factor
Teacher works through an example of factoring a trinomial with a greatest common factor. He standing in front of and using a whiteboard. Sample video lesson-the complete lesson is at yourteacher.com -solves one equation.(2:14)
Illustrates the steps for factoring a trinomial through writing on basic text slides. Many examples given. Although not very exciting, it would make a good tutorial for a student who is struggling with homework. Grades 8-12. 29:27 min.
Introduction to Factoring Trinomials - Yay Math
Removing common factors and using FOIL to reverse engineer trinomials to find the factors. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=5372924760957296665&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
Perfect Square Factoring and Square Root Property - Yay Math
Factoring Perfect Square Polynomials, as well as solving equations using the Square Root. White board in a class setting, some interaction, engaging, several examples of increasing complexity. The discussion is clear and understandable. Preview - full version at http://video.google.com/videoplay?docid=-2174037250498841062&q=source:012956945238798337823&hl=en Produced by Robert Ahdoot, yaymath.org
The FOIL Method - Multiplying Binomials
Students learn to multiply two binomials together using the F.O.I.L. method: First, Outer, Inner, Last. For example, to simplify (2x + 3)(x -- 5), take the product of the First terms, which is 2x^2, plus the product of the Outer terms, which is --10x, plus the product of the Inner terms, which is +3x, plus the product of the last terms, which is --15. So the problem reads 2x^2 -- 10x + 3x -- 15. Finally, combine the like terms --10x + 3x, to get --7x, so the final answer is 2x^2 -- 7x -- 15.
How to Determine the Circumference and Area of a Circle
Learn how to determine the area and circumference of a circle in this seven-minute tutorial. The teacher uses computer software for instruction.
How to Answer Functions SAT Math Questions
How to Answer Functions SAT Math Questions - Understanding function questions on the SAT Math exam. (01:26)
Matrix Multiplication (Part 1) - Khan Academy
The instructor demonstrates how to multiply two 2 x 2 matrices. Mr. Khan uses a software program (emphasizing with different colors) to illustrate his points. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small. (13:40)
Matrix Multiplication (Part 2) - Khan Academy
The instructor uses an electronic chalkboard to demonstrate Matrix Multiplication. At the time of this posting from WatchKnow, this video was a Featured Video on YouTube. The instructor, Sal Khan, continues from Part 1 on multiplying matrices. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small. (14:37)
Solving Limits Algebraically
Explains how to solve limits using the methods of algebra. Also, the presentation notes instances where limits cannot be found algebraically. Animated graphics on white board. The explanation is clear and understandable.Provided by http://www.free-academy.com...
Calculus General Limit
This video offers a description of the general limit theory in Calculus. An explanation on when a limit exists is given. Several situations are discussed
If functions are continuous at every point in their domain, they are called continuous functions. This video provides examples of continuous functions including power functions, exponential functions, and logarithmic functions. (2:58)
Illustration of Fibonacci Sequence
Music video set to a Tool song. Uses images from the Hubble Telescope. Explains why the song is a good example of a Fibonacci sequence. Grades 10-12. 9:23 min.
In this video the vocabulary,prefixes, of the metric system are discussed. The prefix's meaning is discussed and applied to different numbers. The equivalents are written as fractions, decimals, and scientific notation. Video is good quality and good for all students as a review or initial learning of the topic.
Units of Measurement pt 2/2
The purpose of this video is to help students review for the mathematics section of the Grades 5-7 Academic Achievement Tests. The topics covered by the project address critical objectives found in the tests, but more importantly, they address those items that are frequently missed by students.Carter is trapped in a locked basement room when he searches for a girl who keeps appearing and disappearing. Chris must answer units of measure questions to get the combination to free Carter.
Weight and Capacity
In this lesson learn about weight and capacity. Watching this video students will learn two words that can be used to describe weight and five words that can be used to describe capacity. An interactive activity is part of this lesson where students select the unit that is best to used to describe the weight and capacity of example objects.
How to Find the Volume of a Pyramid
This 2:50 video teaches how to find the volume of a pyramid. One formula you use to find the volume of a pyramid is V =
(area of the base times height) divided by 3. There isn't any narrator for this video.
Evolution Ep3: Extinction! (3/6)
Some 99.9 percent of all species that have ever lived on Earth are now extinct. This documentary explores why, then confronts a frightening notion: Are humans causing the next mass extinction -- the sixth in the history of life on Earth? This documentary is suitable for high school grades. Run time 10:22.