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## 3.NF.A.2a

Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.

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Not Right For WatchKnowLearn
Ages: 9 - 18
2119 Views:
 Math Snacks: Number Rights 2 (Number Line and Fractions) From YouTube, produced by New Mexico State University
Whole numbers are no better than any others! Practice plotting values on the number line as a passionate activist rises up and demands equity for all numbers, including fractions and decimals. Number Rights addresses number and operations standar... [more]
January 10, 2012 at 11:06 PM
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Not Right For WatchKnowLearn
Ages: 8 - 14
4036 Views:
 Recognizing and Placing Fractions on Number Lines (Part 1) From YouTube, produced by Math Made Easy
In this video, the instructor shows you to recognize patterns on number lines and how to use those patterns to correctly place fractions in order from least to greatest. (05:22)
January 21, 2010 at 09:02 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
1995 Views:
 Relating Fractions to the Number Line From YouTube
This introductory lesson tells what fractions are using different models and examples.  The instructor begins by breaking a circle into 4 parts and then making a number line broken into 4 parts.  He relates to the 4 parts of the circle to the 4 parts... [more]
Found by CKR11 in 3.NF.A.2a
January 28, 2010 at 02:22 PM
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Not Right For WatchKnowLearn
Ages: 8 - 11
140 Views:
 Fractions on the Number Line From YouTube, produced by Mr. Almeida
In this Singapore math lesson, Mr. Almeida represents fractions on the number line by first defining how many parts make 1 whole.  Then naming each part a fractional unit and counting that many units.  This illustrates Common Core math standard 3.NF.... [more]
Found by wendyofoz in 3.NF.A.2a
October 9, 2012 at 01:12 AM
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Not Right For WatchKnowLearn
Ages: 9 - 13
1167 Views:
 Number Line Bars - Fractions - Virtual Manipulative From usu.edu, produced by Utah State University
This is a very versatile tool that can be used to illustrate a variety of number operations. The background of the workspace is marked by light gray grid lines. The default step-size of the grid lines is 1/10 unit. There are more instructions on the ... [more]
May 9, 2010 at 12:35 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
3099 Views:
This video is a skit teaching about fractions.  The quality of the video and sound are not very good.  There is a lot of background noise.  However, the lesson gives some good practical ways to introduce and relate fractions to real world examples.  ... [more]
Found by CKR11 in 3.NF.A.2a
January 28, 2010 at 02:34 PM
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