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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Ages: 9 - 18
2447 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 - 11
169 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
1265 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
3286 Views:
Fraction Scavenger Hunt
From YouTube
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
Comments: 1
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