6 — Reading and Writing Large Numbers

Reading and Writing Large Numbers

Solution & Explanation · ID: B173439B

Question

The distance from New York to London is about 3,470,000 meters. Write this in word form and expanded form.

Hint

First identify the place value of each digit, then convert to the requested forms.

Concept

Large numbers can be expressed in multiple forms: standard form (digits), word form (written out), and expanded form (sum of place values).

Show Answer

Word form: three million, four hundred seventy thousand

Show Solution
1

Start with the standard form: 3,470,000 meters

2

For word form, break into groups: 3 | 470 | 000

3

Read each group: 3 = 'three million', 470 = 'four hundred seventy thousand', 000 = (no ones)

4

Word form: 'three million, four hundred seventy thousand'

5

For expanded form, identify non-zero place values: 3,000,000 + 400,000 + 70,000

Three-part diagram showing 3,470,000 in different forms. Top section labeled 'Standard Form' shows '3,470,000'. Middle section labeled 'Word Form' shows 'three million, four hundred seventy thousand'. Bottom section labeled 'Expanded Form' shows '3,000,000 + 400,000 + 70,000' with each addend aligned under its corresponding digits in the standard form above.