Method:
 Start from the right most digit.
 Going from right to left, the place values of the digits are ones, tens, hundreds, thousands, and ten thousands.
 Each digit is multiplied by the place value to get the expanded form of a number.
Example: What is the expanded form of 90,536,121?
Ten Thousands 
Thousands 
Hundreds 
Tens 
Ones 
9 
7 
5 
3 
5 
9x10,000,000 + 0 + 5x100,000 + 3x10,000 + 6x1,000 + 1x100 + 2x10 + 3x1
Answer: 90,000,000 + 0 + 500,000 + 30,000 + 6,000 + 100 + 20 + 3
Directions: Expand the following. Also write at least 10 examples of your own.
