You can write numbers in many different ways. Expanded form,
or expanded notation, shows the value of each digit in a number. Let's try it with 487. First, look at the of each digit in 487. The value of the 4 is 4 hundreds, which is 400.
The value of the 8 is 8 tens, which is 80.
The value of the 7 is 7 ones, which is 7.
Write those values as a sum to get the expanded form.
You might also see expanded form written with multiplication:
Now let's try it with a bigger number, 317,024. First, look at the value of each digit in 317,024.
The value of the 3 is 3 hundred thousands, which is 300,000.
The value of the 1 is 1 ten thousand, which is 10,000.
The value of the 7 is 7 thousands, which is 7,000.
There are 0 hundreds, so move on to the next digit.
The value of the 2 is 2 tens, which is 20.
The value of the 4 is 4 ones, which is 4.
Write those values as a sum to get the expanded form.
Here is expanded form written with multiplication:
