Problem 32 - Prealgebra

Question

In the following exercises, write each number as a whole number using digits. two hundred fifty-three

Step-by-Step Solution

Answer

253

Step 1 - Understand the number

The task is to convert the written number 'two hundred fifty-three' into digits.

Step 2 - Identify Place Values

Break down the number into place values. 'Two hundred' indicates the hundreds place, 'fifty' represents the tens place, and 'three' corresponds to the ones place.

Step 3 - Convert Each Part

Convert 'two hundred' to 200, 'fifty' to 50, and 'three' to 3.

Step 4 - Combine All Parts

Combine the place values to get the final number: 200 + 50 + 3.

Step 5 - Write as a Whole Number

Write the combined number as a whole number: 253.

Key Concepts

Place Values

Place values help us understand the value of each digit in a number based on its position.
In the number 253, each digit has a different value depending on its location.

• The digit 2 is in the hundreds place, meaning it represents 200.
• The digit 5 is in the tens place, giving it a value of 50.
• The digit 3 is in the ones place, so it represents 3.

This breakdown makes it easier to understand how large numbers are constructed.
When dealing with numbers, always consider the place values to determine the full number's value.

Whole Numbers

Whole numbers include all natural numbers plus zero.
They are numbers without fractions or decimals. Whole numbers start from 0 and go on infinitely: 0, 1, 2, 3, 4, and so on.
In the exercise, 'two hundred fifty-three' is a whole number because it is a complete, single value without any fractions or decimals.
Whole numbers are fundamental in math because they represent complete objects or quantities. They are used in counting and basic arithmetic operations.
Understanding whole numbers helps build a foundation for more advanced math concepts.

Number Conversion

Number conversion is the process of turning written numbers into digit form or vice versa.
It’s an essential skill for interpreting and communicating numerical information effectively.
To convert 'two hundred fifty-three' into digits, follow these steps:

• Identify the hundreds place: 'two hundred' becomes 200.
• Identify the tens place: 'fifty' becomes 50.
• Identify the ones place: 'three' becomes 3.

Combine these values to form the final number: 200 + 50 + 3 = 253.
Practice converting numbers in both directions to strengthen your understanding.