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Prime and Composite Numbers

There are 14 videos in this category and 0 videos in 0 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 8 - 12
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: 8 - 18
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: 13 - 18
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
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: 8 - 12
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: 9 - 18
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
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
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: 10 - 18
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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Not Right For WatchKnowLearn
Ages: 9 - 18
Prime & Composite Number Activities
From YouTube
This is a lesson to help students understand what prime numbers and composite numbers by using number tables and other activities. Learn from a math teacher how to use math Jeopardy and other activities as a way to learn prime and composite numbers
February 20, 2010 at 02:31 PM
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