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Chapter 1: Problem 47

Write the number in words. $$31,530$$

Short Answer

Expert verified
Thirty-one thousand five hundred thirty.

Step by step solution

01

Identify the Number

First, look at the number provided: 31,530.
02

Separate the Number

Separate 31,530 into two parts: the thousands and the remainder. That gives 31 thousand and 530.
03

Write Thousands in Words

Write the thousands part in words. 31,000 is written as thirty-one thousand.
04

Write the Hundreds Rest in Words

Now, write the remaining part in words. 530 is written as five hundred thirty.
05

Combine the Words

Combine the words from the thousands and the remainder. This gives thirty-one thousand five hundred thirty.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

number separation
When you are faced with writing large numbers in words, the first helpful step is to separate the number into more manageable parts. For example, if you have the number 31,530, you can split it into two sections: 31,000 and 530.

This separation simplifies the process and makes it easier to write each section in words. By breaking it down, you're essentially converting smaller numbers into words one step at a time.

  • 31,000 becomes thirty-one thousand.
  • 530 becomes five hundred thirty.
place value
Understanding place value is crucial for writing numbers in words. The place value system is all about knowing the value of each digit in a number based on its position. For instance, in the number 31,530:

  • The '3' in 31,000 is in the ten-thousands place, representing thirty thousand.
  • The '1' is in the thousands place, representing one thousand.
  • The '5' in 530 is in the hundreds place, representing five hundred.
  • The '3' is in the tens place, representing thirty.
  • The '0' is in the units place, representing zero.

The place value system helps breakdown and articulate large numbers more straightforwardly. Recognizing each digit's value based on its position in the number makes it easier to transform numbers into words.
hundreds and thousands
When you write numbers in words, knowing how to treat hundreds and thousands is essential. Each set of three digits, moving left to right, represents different place values:

  • The first set (from the right) is the units, tens, and hundreds.
  • The second set is the thousands.
  • And the third set is the millions, and so on.

For example, in the number 31,530, the first set is 530, and the second set is 31.

You write 530 as five hundred thirty, and 31,000 as thirty-one thousand. When combined, you get thirty-one thousand five hundred thirty.

This structured approach ensures that you never miss a digit or misunderstand the value each represents. By focusing on each segment鈥攈undreds, thousands鈥攜ou provide a clear, concise way to write the entire number in words.

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