There are 4 videos in this category and 499 videos in 55 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 7 - 13
Relating Subtraction and Addition Fact Families to Find Missing Numbers
From, produced by Houghton Mifflin
In this video slideshow, students will learn how to use related facts or fact families, to help find missing numbers.  User clicks through the slides.
May 20, 2010 at 04:03 PM
Comments: 1
  • Favorites

Not Right For WatchKnowLearn
Ages: 7 - 12
Decimals on a Number Line
From YouTube, produced by Sal Khan
In this brief video, Sal Khan compares decimals on a mumber line. Mr. Khan, of Khan Academy, uses computer software for demonstration. (01:39)
July 18, 2011 at 07:40 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 18 - 18
How to Teach Math as a Social Activity
From, produced by Edutopia
An Anchorage, Alaska, fifth grade teacher establishes a cooperative-learning environment in an upper-elementary classroom to help teach math. The video goes through some of the steps that he uses. There is aren't any examples of assessment.
Found by freealan in Mathematics
June 26, 2011 at 11:53 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 3 - 8
"That's Mathematics" Song by Tom Lehrer
From YouTube, produced by 3mgrant
This simple video is a general celebration of mathematics in song. It consists only of words on the screen.accompanied by the song. Tom Lehrer penned many humorous songs just like this. (01:42)
November 18, 2008 at 05:56 PM
  • Favorites

Loading featured videos...

History [show]

Loading history...

Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

  • Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.
  • Personal criticism on project forums and in video content is not allowed and will be deleted immediately. Any violations of this rule could result in expulsion from the project so please, no insults or other negative personal remarks.
  • Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another person's hard work, then be nice about it.
If you want to comment, please sign in