TYPES OF NUMBERS

TYPES OF NUMBERS

I. Natural Numbers : 

Counting numbers I, 2. 3, 4, 5, ..... are called natural Numbers .

2. Whole Numbers : 

All counting numbers together with zero form the set of whole number.

Thus,
(A) 0 is the only whole number which is not a natural number.
 
(B) Every natural number is a whole number

3. Integers : 

All natural numbers. 0 and negatives of counting numbers ie., - 3, - 2, - 1. 0.
I. 2, 3...... together form the set of integers

(A) Positive Integers t 11. 2. 3, 4, .....I is the set of all positive integers.

(B) Negative Integers : (- I, - 2, - 3......I is the set of all negative integers.

20 Interesting and Amazing Facts About Maths

Words such as formula, equation and calculation sounds boring for those who hate Maths as a subject, whereas it is fun for those who have keen interest towards solving equations/problems.

October 14th is celebrated as World Maths Day. 

Let us know some interesting and amazing facts about Mathematics.

1) Zero ( 0 ) is the only number which can not be represented by Roman numerals.

2) What comes after a million, billion and trillion ????? A quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion and undecillion

3) Plus (+) and Minus (-) sign symbols were used as early as 1489 A.D

4) 2 and 5 are the only primes that end in 2 or 5.

5) An icosagon is a shape with 20 sides