4 hundreds
3 tens
9 ones
439 is made up of 4 hundreds, 3 tens, and 9 ones.
Let’s Learn!
What is expanded form?
Goal:
Goal:
Think About It!
Goal: Relate base-ten blocks to expanded form.
Freddie marched 439 steps during one song. This place-value chart shows 439 in base-ten blocks.
We can use this place-value chart to help us write 439 in expanded form. Expanded form uses the value of each digit to write a number. It is written like an addition sentence. Let’s try it!
4 hundreds
3 tens
9 ones
400
4 hundreds is the same as 400.
4 hundreds
3 tens
9 ones
400
30
3 tens is the same as 30.
4 hundreds
3 tens
9 ones
400
30
9
9 ones is the same as 9.
4 hundreds
3 tens
9 ones
400 +
30 +
9
This is expanded form!
Expanded form uses the value of each digit. Click each digit to see its value!
What is the expanded form of 216?
200 + 10 + 6