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## Arithmetic (all content)

### Course: Arithmetic (all content) > Unit 1

Lesson 9: Ways to write whole numbers (expanded form and written form)- Expanded form of numbers
- Write numbers in number and expanded form
- Number and word form of a number
- Write numbers in number and word form
- Word form and expanded form
- Write numbers in word and expanded form
- Write numbers in different forms
- Writing a number in expanded form
- Write whole numbers in expanded form
- Writing a number in standard form
- Write numbers in written form
- Whole numbers in expanded form review
- Whole numbers in written form review

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# 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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