Standard, Expanded, and Word Form

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three thousand, four hundred fifteen in expanded form

3,000 + 400 + 10 + 5

three thousand, twenty in standard form

3,020

485 in expanded form

400 + 80 + 5

40,000 + 2,000 + 300 + 10 in standard form

42,310

five hundred nine in standard form

509

six thousand, twelve in standard form

6,012

8,002 in expanded form

8,000 + 2

8,921 in expanded form

8,000 + 900 + 20 + 1

9,203 in expanded form

9,000 + 200 + 3

Standard form definition

The "normal" way to write a number, where each digit is in its place and periods are separated by commas. Example: 4,567

Word form definition

When you spell out the word for each number. Example: two thousand, five hundred sixty-one

Expanded form definition

When you write a number as the SUM of the VALUE of each digit. Example: 2,000 + 400 + 20 + 5

18 in word form (say it)

eighteen

5,000 + 200 + 30 + 1 in word form (say it)

five thousand, two hundred thirty-one

4,000 + 600 + 40 + 9 in word form (say it)

four thousand, six hundred forty- nine

98 in word form (say it)

ninety-eight

600 + 30 + 7 in word form (say it)

six hundred thirty-seven


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