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3rd grade

Course: 3rd grade > Unit 5

Lesson 4: Fractions on the number line

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Fractions on number line widget

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Sal uses the Khan Academy number line widget.

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molly.potter
Posted 5 years ago. Direct link to molly.potter's post “how dose this help me in ...”
how dose this help me in lerning
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Rayaanahmadbajwa
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how does this help?
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- jonathan.d.healy
  Posted 5 days ago. Direct link to jonathan.d.healy's post “to understand it”
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Mamadou Mountaga Barry
Posted 7 years ago. Direct link to Mamadou Mountaga Barry's post “estimate to equally parti...”
estimate to equally partition and label the fraction on the number line. label the fraction fifths
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AUBREY DEGRAUWE
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this part of the video should help if you do not understand
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Naisha Mitra
Posted 5 years ago. Direct link to Naisha Mitra's post “how to write number lines”
how to write number lines
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- apredator504
  Posted 5 years ago. Direct link to apredator504's post “1) Draw a long line on a ...”
  1) Draw a long line on a piece of paper. This will be the base of your number line
  
  2) Make hash marks on your line. This will make it look like a train track
  
  3) On the left, start writing numbers above the hashmarks. Start with zero above the first hashmark on the left
  
  4) Stop numbering at 20.
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I W
Posted 4 days ago. Direct link to I W's post “what is the khan academy ...”
what is the khan academy number line widget?
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Cheyenne Nethken
Posted 3 years ago. Direct link to Cheyenne Nethken's post “Hi! I was wondering how i...”
Hi! I was wondering how i enter full screen? The video without full screen, for me, is super small to where I can't see. There isn't a full screen button in the left or right bottom corner. Got any advice of how to either enter full screen or make the screen bigger?
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- Stephen White
  Posted 3 years ago. Direct link to Stephen White's post “You should see a little s...”
  You should see a little square in the lower right of the video screen. Clicking on that square should take you to full screen.
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Video transcript

- [Voiceover] We're on the fractions on the number line exercise on Khan Academy, and they ask us to move the orange dot to three-fourths on the number line. Change the number of divisions to create tick marks on the number line. Let's see what's going on here. I have the space from zero to one on the number line. If I want to move it to three-fourths, what I would first want to do is divide the space between zero and one into fourths, into four equal sections. I would want to have four divisions here. And there you have it, four divisions. I typed in the number four and have four equal divisions. One, two, three, four. This is going to be a fourth, that's another fourth, that's another fourth, and that's another fourth. What we care about is three-fourths. Once again, that's one-fourth, this would be another fourth, getting us to two-fourths, and then this would be another fourth, getting us to three-fourths. So, there you have it. That is three-fourths on the number line.