Chapter-1 Rational Numbers Class 7th

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(i) Numbers 1,2,3,4 ... which we use for counting, form the system of natural numbers.

(ii) Natural numbers alongwith zero form the system of whole numbers
(iii) Collection of natural numbers, their opposites alongwith zero is called the system of integers.
(iv) A part of a whole is a fraction. Fraction is the ratio of two natural numbers.
(v) Any number which can be expressed in the form of p/q, where p and q are integers and q is not equal to zero is known as Rational number.



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Rational Number
Class 7th