1. How to read large numbers
Read the numbers before the comma as if you were reading in the one’s column.
Say the period you are in when you get to the comma except for the one’s period.
Billion
Million
Thousand
Ones
367,671,690,492

2. Remember that each period has three place values within the period
Billions
Millions
Thousands
Units
Hundreds
Tens
Ones
Hundreds
Tens
Ones
Hundreds
Tens
Ones
Hundreds
Tens
Ones
367,671,690,492

3. This will be the same within each period.
Try to think of each period as a house and each place as the kids in the house.
Hundreds as
Big Brother
Tens as
Middle Brother
Ones as
Little Sister
This will be the same within each period.

4. Three Forms to Write a Number
Standard Form: in numbers
7,528,682,001
Word Form: in words
Seven billion, five hundred twenty-eight million, six hundred eighty-two thousand, one
Expanded Form: sum of the digits values.
7,000,000, ,000, ,000, ,000, , , ,

5. What is the expanded form of?
56,803
50, ,000 +

6. What is the standard form of?6,
6,823

7. 4,367 What is the word form of? four thousand, three hundred
sixty-seven

8. 4,371,024 Read this number four million, three hundred
seventy-one thousand, twenty-four

9. What place value is the 8 in this number?
4,829,905
Hundred thousands

10. What place value is the 2 in this number?
4,829,105
Ten thousands

11. What is this number in standard form?
Ninety thousand, four hundred eight
90,408

12. Compare and Order Whole Numbers
545,524
540,828
529,121
5,282
Line up the places.
Line up the decimal points.
Add zeros , only if necessary
545,524
540,828
529,121
5,282
Add zeros , only if necessary
Least to Greatest
5,282
529,121
540,828
545,524
Order by place value.
Least to Greatest OR
Greatest to Least
Compare by place value.
Use signs to compare
< , > , =
545,524 > 5,282