This document defines and provides examples of different types of numbers. It discusses natural numbers, whole numbers, rational numbers which can be expressed as fractions p/q where q is not zero, and irrational numbers like the square root of 2 that cannot be expressed as fractions. Rational numbers are further broken down into proper fractions, improper fractions, and mixed numbers.

2.  NATURAL NUMBERS
 WHOLE NUMBERS
 RATIONAL NUMBERS
 IRRATIONAL NUMBERS
 REAL NUMBERS

3. p/q form where q 0
 Examples : ½,2/3,3/4…….
 Three types
 Proper 1/2 , 2/3…
 Improper 5/4, 8/7…
 Mixed 6½,8½…

4.  All the non rational numbers are known as
irrationals.
 Examples : √2, √3, √5…