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### Course: 2nd grade > Unit 2

Lesson 1: Intro to place value- Intro to place value: FAQ
- Intro to place value
- Use place value blocks to show numbers within 1,000
- Place value blocks within 1,000
- Place value tables within 1,000
- Place value tables within 1,000
- Identifying value in digits
- Identify the value of a digit (ones, tens, hundreds)
- Creating the largest number
- Create the largest number

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# Identifying value in digits

Sal uses place value to identify the value of digits. Created by Sal Khan.

## Want to join the conversation?

- Can you please say what do we do if we have to numbers, For example, 53, and what value does the 3 represent in the number 53(22 votes)
- The three represents the ones place and the 5 is tens, so there are 5 tens and 3 ones equaling 53(25 votes)

- How do you see if your done with a unit(1 vote)
- If you mean finished by the word 'done', then it is when you have identified the value of the select digit.
*Hope this helps!*(1 vote)

## Video transcript

- [Narrator] So I'm going
to write down a number and I'm going to think about how much do each of these digits of the number, what value do they represent? And actually, let me
pick on this two here. What does that two represent? Does it just represent two, or does it represent something
different than just two? Pause the video and think about that. All right, now we'll
think about it together. And actually I'm going to
start with the seven here. The seven is in the one's place. So this seven represents seven ones, which is of course still just seven. So nothing too surprising there. Then we could go to the ten's place. So this one doesn't just represent one, it represents one 10. Or another way to think
about it, it represents 10. And then this two, it is
in the hundred's place. So it doesn't just represent two, it represents two hundreds,
we could write it that way, or it represents the value 200. So the number here is 217. The two represents two hundreds or 200. Now let me give you a
slightly different question. I'm going to write down three numbers. So we have this number
and I'm intentionally not saying it out loud, that number, I have this number and I have this number. And what I want you to
do is pause the video and tell me in which
of these three numbers does the seven represent 70? Pause the video and think about that. All right, now let's work
through this together. So let's start with this top number, In this number, the seven
is in the one's place, so that seven really just
represents seven ones, which is still just seven. So this seven does not represent 70. Now in this next number, the
two is in the one's place and we see that the seven
is in the ten's place. So this actually represents seven tens. Well, seven tens is the same thing as 70. So it's actually in this second situation where the seven does represent 70. This number is 572, the
seven represents 70. And let's just check
this last number here. Well, here are the seven
is not in the one's place, not in the ten's place, it is in the hundred's place. So this represents seven hundreds or 700. And that makes sense,
this number here is 705.