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Number line Notation
A line is infinite in character.that means all whole numbers may be noted on a number line.
The least whole number is zero.the highest whole number cannot be stated as the set of whole numbers is infinite.
Properties of Whole numbers
It is advisable to use a number line inorder to understand the properties of whole numbers.
1. Number 3 < 5 and the number 3 is to the left of the number 5.Hence of an two numbers on a number line, the smaller number is to the left of the greater number.So too,of any two numbers on a number line the number to the left of the other number, is the smaller of the two.
2. There is no whole number to the left of zero on the number line.So zero is the smaller number than each of the numbers to its right on the number line.That means 0 is the smallest or least of the whole numbers.
3. A whole number which is greater than a given whole number by 1 is said to be a successive whole number. 1 is the successive whole number to 0.Every whole number has one successor.
4. There is no whole number left to zero.hence 0 is not a successive whole number of any whole.
