1. Place Value

2. Place Value Vocabulary
Digit: one of ten symbols (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) used to write numbers.
Compare: to describe whether one a number is equal to, less than, or greater than another number.
Value: how much something is worth. For example, a one dollar bill is worth one dollar, but a ten dollar bill is worth ten dollars.

3. Place Value Vocabulary
Place Value: the value of a digit in a number, based on it’s position.
Order: to describe which of a set of numbers is the greatest, which is the least, and where the others fall between them based on their values.
Period: a group of three digits in a number

4. What is Place Value?
The value of a digit in a number depends on its position within the number.
This chart shows the place value of the number 3,753
Thousands
Hundreds
Tens
Ones 3, 7 5
3 X 1000
7 X 100
5 X 10
0 X 1
3,000
700 50

5. Thousands
Hundreds
Tens
Ones 3, 7 5
3 X 1000
7 X 100
5 X 10
0 X 1
3,000
700 50
* The value of the digit 7 in 3,750 is 700 because it is in the hundreds place. *To find the place value of the digit 5, first decide the place value position. *The 5 is in the _________________ place. *Since 5 x 10 = 50, the 5 has a value of ____________.
Tens 50

6. What is the value of the 3 in…
6,389?
Think… three is in the hundreds place, and I know that 3x100 = 300, so the value of the 3 is = 300.
Now You try!!!
8,639?
3, 986?
***Notice that the VALUE changes,
even though the DIGIT stays the same***

7. When I change a digit in a number, I change the value of the number.
Thousands,
Hundreds
Tens
Ones
If I want to INCREASE a number by one thousand, I will increase the digit in the thousands place by one.
Example: Increase 45,692 by one thousand
5 is in the thousands place, so to increase the
number by one thousand I will change the
5 to a 6. The new number is 46,692

8. Increase the value of 43, 678 by one hundred 43,678 by three thousand
43, 678 by ten
43,678 by 4 thousand
43,778
46,678
43,688
47,678

9. ON YOUR FEET!!!
Each of you has a digit. Some are on red cards, some are on blue, and some are on green.
I will call out a color first, then a number.
If you are holding that card decide where you belong on the place value chart.
Go and stand there, and hold your number so everyone in the class can see.
The rest of the class will check to see if you are correct!

10. Dice Game Each group has 5 dice and a place value chart.
Roll the first die ~ put it in the ones place
Roll the second die ~ put it in the tens place
Roll the third die ~ put it in the hundreds place
Roll the fourth die ~ put it in the thousands place.
Roll the fifth die ~ put it in the ten-thousands place.
Write the number using digits and then using words.
Do this five times to make 5 different numbers.

11. Ten-thousands
Thousands,
Hundreds
Tens
Ones