6 — Reading and Writing Large Numbers

Reading and Writing Large Numbers

Solution & Explanation · ID: 9042A8A2

Question

A company's revenue was 8,000,000 + 600,000 + 50,000 + 9,000 + 400 + 20 + 7 dollars. Write this in standard form and word form.

Hint

Add up all the place values to get standard form first, then convert to word form.

Concept

Numbers in expanded form can be converted to standard form by adding all the place values, then written in word form by reading the result.

Show Answer

Standard form: 8,659,427

Show Solution
1

Start with the expanded form: 8,000,000 + 600,000 + 50,000 + 9,000 + 400 + 20 + 7

2

Add the values to get standard form: 8,659,427

3

For word form, break into groups: 8 | 659 | 427

4

Read the first group: 8 = 'eight million'

5

Read the second group: 659 = 'six hundred fifty-nine thousand'

6

Read the third group: 427 = 'four hundred twenty-seven'

7

Complete word form: 'eight million, six hundred fifty-nine thousand, four hundred twenty-seven'

Vertical addition showing expanded form conversion. Top shows: 8,000,000 + 600,000 + 50,000 + 9,000 + 400 + 20 + 7 stacked vertically and aligned by place value. Addition line below with sum 8,659,427. Below that, the number is broken into groups with brackets: [8][659][427], with word labels underneath: 'eight million', 'six hundred fifty-nine thousand', 'four hundred twenty-seven'.