Whole Numbers on Number line

definition

Define, identify and give examples of natural/whole numbers

Natural numbers are the numbers which we use for counting.
For eg:-
The set of all natural numbers are denoted by .
Whole numbers are the natural numbers including .
i.e.
The set of all whole numbers are denoted by .

diagram

Represent natural/whole numbers on number line

Natural numbers start from right of and increases from left to right.
Whole numbers starts from and then increases towards right.

example

Comparison of natural/whole numbers

Natural/whole numbers increases from left to right i.e. , ...... 
Find the greatest amongst  and .
Since, and
Then, is the smallest and is the greatest.

example

Ordering of whole numbers

Arrange the following whole numbers is ascending order: 
; ; ;
Sol: Count the digits in each number. 
Is the smallest number as it has only 4 digits. 
Line up the number accordingly to place value. 
Begin comparing from the left. 
the smallest number
42734
 42876
7 < 8
52287 Largest number
The ascending order is

example

Ordering of whole numbers

Arrange the following whole numbers is descending order: 
; ; ;
Sol: Count the digits in each number. 
Is the smallest number as it has only 2 digits. 
Line up the number accordingly to place value. 
Begin comparing from the left. 
We can see that :
has digits in it,
has digits in it,
has digits in it.
So we know that the number with larger number of digit is larger than the number with comparatively less number of digits.
Hence, > > >

definition

Natural Numbers, Whole Numbers, Integers on Number line

A number line starting from and marks at equal distances on the right hand side of is called a number line representing natural numbers .

A number line starting from and marks at equal distances on the right hand side of is called a number line representing whole numbers.

Integers , therefore, the number line, marked anywhere on it with positive numbers marked on the right-hand side of at equal distances and also with negative numbers marked on the left-hand side of at the same equal distances, is said to represent integers.