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Prime and Composite Numbers

There are 15 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 12
1629 Views:
Prime and Composite Numbers - by StudyJams
From scholastic.com, produced by Scholastic
A prime number only has two factors, itself and one.  A composite number has at least three factors, and sometimes a lot more.  Learn more about prime and composites with this step-by-step, interactive cartoon animation from StudyJams.  A short, self... [more]
June 20, 2011 at 06:54 PM
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Not Right For WatchKnowLearn
Ages: 8 - 12
1305 Views:
Prime Factorization - by StudyJams
From scholastic.com, produced by Scholastic
Every composite number has another form: they can all be written as the product of its prime factors.  Finding those prime factors is simply a matter of creating a tree, a factor tree!  Learn how to do that with this step-by-step, cartoon animated vi... [more]
June 20, 2011 at 07:04 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
880 Views:
Sum of Consecutive Odd Integers (How to Solve)
From YouTube, produced by Sal Khan
In this video, Sal Khan demonstrates how to solve for x using a single problem.  Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education.  (04:33) There... [more]
June 13, 2010 at 06:48 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
732 Views:
What are prime numbers
From mathplayground.com, produced by mathplayground
This five minute video uses animation to help show students how to find prime numbers. It is a good overview, but should be stopped to allow students to answer the questions before they are given.
January 16, 2012 at 10:17 AM
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Not Right For WatchKnowLearn
Ages: 8 - 18
1578 Views:
Primes Explained
From Curriki, produced by Next Vista
This is one of three videos a team and I did to try using video to convey prime number ideas to middle school students. This one takes a more traditional approach, with me at a whiteboard explaining what primes are. A goal was to jazz it up, in terms... [more]
June 30, 2009 at 01:00 PM
Comments: 1
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Not Right For WatchKnowLearn
Ages: 9 - 18
1234 Views:
Prime Factorization with Sal Khan
From YouTube, produced by Sal Khan
This video reviews prime numbers and explains prime fractorization with a factorization tree.  Many examples are used to help reinforce the concept.  The instructor, in his conversational tone, uses a black screen as a 'chalkboard.' Different colors ... [more]
February 6, 2011 at 08:03 PM
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Not Right For WatchKnowLearn
Ages: 9 - 12
1067 Views:
Prime Numbers Song
From nextvista.org, produced by NextVista.Org
A teacher defines prime numbers as numbers with only two factors in this video.  Examples are shown on a white board, and the teacher sings a song which will help students remember prime numbers. ( 1:24)
December 5, 2011 at 07:28 PM
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Not Right For WatchKnowLearn
Ages: 10 - 13
924 Views:
Prime Numbers Through Eleven
From nextvista.org, produced by nextvista..org
This animated video defines prime numbers and uses counters to show the factors of 2, 3, 5, 7, and 11.  The lively video is set to music and repeatedly defines the concept.  ( 4:25)
September 12, 2011 at 07:58 PM
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Not Right For WatchKnowLearn
Ages: 9 - 16
1538 Views:
Math Rocks! Factor Down a Tree (Prime Factorization)
From YouTube, produced by 2 + 1 Math Rocks
Song about Prime factorization. Lyrics are shown, as well as several examples that explain what prime factorization is, and how it works. This is a great resource to help build mastery of these important skills. (3:33)
February 22, 2012 at 09:45 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
894 Views:
Ways to Determine a Prime Number
From YouTube, produced by ehow
A prime number is a positive whole number with exactly two factors, which are one and itself. A math teacher shows how to use multiplication tables and factor trees to help determine if a number is a prime number.
February 20, 2010 at 02:40 PM
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