1. Place Value

2. Place Value By the end of this lesson you will be able to: Goals
Read, write, compare and order whole numbers
By the end of this lesson you will be able to:
Use digits place value to read whole numbers.
Use digits place value to write in words whole numbers.
Understand standard, expanded and word form of a number.

3. Digits
Digits: are single symbols from 0 to 9 that are used to form numbers.
With those 10 digits you can create any number you might think on.

4. Digits
Place Value is how our number system works.  Without it we wouldn't be able to write large numbers. 
Just think.... with just 10 digits - 0,1,2,3,4,5,6,7,8,9, we can write ANY number we choose!
, , ,465,789
We need letters to make words and we need digits to make numbers
With those 10 digits you can create any number you might think on.

5. Place Value
Because the digit 4 is on the tens place, the value of 4 is 40
Because the digit 6 is on the hundreds place, the value of 6 is 600

6. Therefore we have the term PLACE... VALUE.
The value of a digit (what it's worth) depends on its place (where it is in the number).
Therefore we have the term PLACE... VALUE.
Get it? COOL! So a 2 could be worth and into the thousands, millions, billions, trillions, and so on, and so on, and so ON! WOW!
Because the digit 4 is on the tens place, the value of 4 is 40
Because the digit 6 is on the hundreds place, the value of 6 is 600

7. Place Value
Place Value: Value of the digit depend on the position they are at within the number.
3 4 5 40
Because the digit 4 is on the tens place, the value of 4 is 40
Because the digit 6 is on the hundreds place, the value of 6 is 600
6 7 3
600

8. Digit Positions’ Name
There are period houses. Each house has three rooms
THOUSANDS
Units
Hundred
Ten
Thousands
Hundreds
Tens
Ones

9. Example
THOUSANDS
ONES 5 7 1 3 2 4
571,324 : Five hundred seventy one thousand three hundred twenty four

10. Standard Form/ Notation
Standard form of a number: is the way we normally write numbers.
549
Example
number
This is the standard form of Five Hundred
Forty Nine

11. Expanded Form/Notation
Expanded form: a number written as the sum of the values of its digits
3,456
Example
number 3
,000+ 4
00+ 0+ 5 6

12. 53,962 Word Form Example Word Form: numbers written in words.
Start from left to right.
Read every room on the house first.
Read the name of the house.
Go to the neighbor's house and repeat the process.
53,962
Example
read number

13. Tip
Do not use “and” when reading whole numbers. The word “and” will be used when you are reading numbers with decimals.
690,492
Six hundred and ninety-thousand,
and four hundred and ninety-two.

14. Word Form Example 5 3 9 6 2 Fifty three Thousand sixty two
ONES 5 3 9 6 2
Fifty
three
Thousand
Nine hundred
sixty
two

15. Base Ten Blocks 1 ten is 10 times 1 one 1 10
With those 10 digits you can create any number you might think on. 1 10

16. Base Ten Blocks
1 hundred is
10 times 1 ten
100 10

17. Base Ten Blocks
1 thousand is 10 times 1 hundred
1,000
100

18. Base Ten Blocks
10 thousand is 10 times 1 thousand
1,000
10,000

19. Numbers are divided into periods
Thousands
Ones
690,492
Periods are separated by commas.

20. Remember that each period has three place values within the period
Thousands
Ones
Hundreds
Tens
Ones
Hundreds
Tens
Ones ,

21. What digit is in the hundred’s place?
Thousands
Ones
Tens
Hundreds
6 9 0, 4 1 2 4
Copyright © 2000 by Monica Yuskaitis

22. What digit is in the ten thousand’s place?
Ones
Tens
Hundreds
6 9 0, 4 1 2 9
Copyright © 2000 by Monica Yuskaitis

23. What digit is in the thousand’s place?
Ones
Tens
Hundreds
6 9 0, 4 1 2
Copyright © 2000 by Monica Yuskaitis

24. What digit is in the hundred thousand’s place?
Ones
Tens
Hundreds
6 9 0, 4 1 2 6
Copyright © 2000 by Monica Yuskaitis

25. What digit is in the hundred’s place?
7 4 3, 9 8 2 9
Copyright © 2000 by Monica Yuskaitis

26. What digit is in the ten thousand’s place?
7 4 3, 9 8 2 4
Copyright © 2000 by Monica Yuskaitis

27. What digit is in the thousand’s place?
7 4 3, 9 8 2 3
Copyright © 2000 by Monica Yuskaitis

28. What digit is in the hundred thousand’s place?
7 4 3, 9 8 2 7
Copyright © 2000 by Monica Yuskaitis

29. What is the value of the underlined digit?
7 4 3, 9 8 2
Ten thousand
Copyright © 2000 by Monica Yuskaitis

30. What is the value of the underlined digit?
7 4 3, 9 8 2
Thousand
Copyright © 2000 by Monica Yuskaitis

31. What is the value of the underlined digit?
7 4 3, 9 8 2
Hundred thousand
Copyright © 2000 by Monica Yuskaitis

32. What is the value of the underlined digit?
7 4 3, 9 8 2
Hundred
Copyright © 2000 by Monica Yuskaitis

33. What is the value of the underlined digit?
7 4 3, 9 8 2
Ten
Copyright © 2000 by Monica Yuskaitis

34. What is the value of the underlined digit?
7 4 3, 9 8 2
One
Copyright © 2000 by Monica Yuskaitis

35. 133,472 Read this number One hundred thirty-three thousand,
four hundred seventy-two
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36. 643,582 Read this number Six hundred forty-three thousand,
five hundred eighty-two
Copyright © 2000 by Monica Yuskaitis

37. 54,931 Read this number Fifty-four thousand, nine hundred thirty-one
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38. 530,801 Read this number Five hundred thirty thousand,
eight hundred one
Copyright © 2000 by Monica Yuskaitis

39. 4,268 Read this number Four thousand, two hundred sixty-eight
Copyright © 2000 by Monica Yuskaitis

40. 305,108 Read this number Three hundred five thousand,
one hundred eight
Copyright © 2000 by Monica Yuskaitis