Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
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Category Videos

Not Right For WatchKnowLearn
Ages: 8  13
6515 Views:

This short video is from Jimmy Chang, who has a master's degree in math and has been a math teacher at St. Pete College for more than ten years. For upper elementary grades. In this video Jimmy explains what fractions are and what their purpose is.
July 17, 2009 at 10:32 AM


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Ages: 7  14
3390 Views:

The video is in song form and discusses the circumference, radius, pi and more. The video shows the formulas for finding circumference and area, and also explains the definition of Pi. (01:51)
November 13, 2009 at 08:02 PM


Not Right For WatchKnowLearn
Ages: 7  14
19630 Views:

This is a song that uses a pie to introduce fractions. The video includes: proper, improper, and mixed fractions. It's a fun video to watch and explains fractions in easy terms. It also includes imagery and text of key terms (01:35)
April 1, 2009 at 05:25 PM


Not Right For WatchKnowLearn
Ages: 3  7
6904 Views:

Using shapes, students find equal parts. Equal parts are the same size.
May 14, 2010 at 01:37 PM


Not Right For WatchKnowLearn
Ages: 3  10
4821 Views:

In this video segment from Cyberchase, Bianca wants to learn why her plants keep dying, so she transports them in a carriage to the New York Botanical Garden. A helpful plant expert shows her some patterns in plants, including bilateral and rotationa...l symmetry, before discovering the pattern that may be killing Bianca's plants. Closed captioning. Run time 03:25.
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September 26, 2010 at 09:37 PM


Not Right For WatchKnowLearn
Ages: 5  10
4379 Views:

This video has been created for educational purposes and focuses on numeracy in the real world. This video could be used to introduce the concept of Fractions in the early years. The students use fruit to learn about fractions and make a fruit salad.... (03:04)
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September 14, 2011 at 11:22 PM


Not Right For WatchKnowLearn
Ages: 8  14
3392 Views:

This video helps you identify the numberator and denominator in a fraction. It includes a black screen where the instructor, in his conversational tone, uses it as a 'chalkboard.' Different colors and pictures are used for clarification. (02:31)
February 6, 2011 at 07:21 PM


Not Right For WatchKnowLearn
Ages: 8  14
3205 Views:

This video helps identify the different parts of a fraction. Story problems and pictures are used to help reinforce the concept. The instructor, in his conversational tone, uses a black screen as a 'chalkboard.' Different colors and pictures are us...ed for clarification. (02:47)
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February 6, 2011 at 07:25 PM


Not Right For WatchKnowLearn
Ages: 8  11
3091 Views:

This video contains a lesson a college student taught to a "pretend" class. In the video, the teacher defines rotational symmetry. She then shows examples of shapes with rotational symmetry and demonstrates how to determine whether or not objects h...ave rotational symmetry. ( 8:40)
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August 27, 2011 at 10:27 AM


Not Right For WatchKnowLearn
Ages: 11  18
2306 Views:

This is a video showing an elementary classroom activity on how many ways you can build a hexagon. (01:22)
January 26, 2010 at 07:31 PM
