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### Course: Arithmetic > Unit 5

Lesson 4: Greater place values# Whole numbers in expanded form review

Review writing whole numbers in expanded form, and try some practice problems.

## Expanded form

**Expanded form**is a way to write a number by adding the value of its digits.

We can use a place value chart to think of the value of a number's digits.

### Example

Let's write ${7}{2}{2}{9}$ in expanded form.

Thousands | Hundreds | Tens | Ones |
---|---|---|---|

$7229$ in expanded form is ${7000}+{200}+{20}+{9}$ .

*Want to learn more about expanded form? Check out this video.*

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