4.MD.B.4

4.MD.4. Make a line plot to display a data set of measurements in fractions of a unit (1/2, 1/4, 1/8). Solve problems involving addition and subtraction of fractions by using information presented in line plots. For example, from a line plot find and interpret the difference in length between the longest and shortest specimens in an insect collection.

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Ages: 8 - 14
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Adding Fractions on a Number Line
From WatchKnow, produced by Graeme Henchel
Movie of an animated powerpoint that demonstrates visually the process of adding 1/2  + 1/3. No audio.  Run time 01:01.
July 26, 2010 at 09:00 PM
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