Class 8 / CBSE Maths / Rational Numbers / Rational Numbers

Rational Numbers

Introduction In Mathematics, we frequently come across simple equations to be solved. For example, the equation              &n

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Class 8 / CBSE Maths / Rational Numbers / Rational Numbers

Rational Numbers

Closure Properties of Rational Numbers (i) Whole numbers Let us revisit the closure property for all the operations on whole numbers in brief. Check for closure property under all the fo

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Class 8 / CBSE Maths / Rational Numbers / Rational Numbers

Rational Numbers

Commutativity Property of Rational Numbers (i) Whole numbers Recall the commutativity of different operations for whole numbers by filling the following table. Check whet

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Class 8 / CBSE Maths / Rational Numbers / Rational Numbers

Rational Numbers

Associativity Property of Rational Numbers (i) Whole numbers Recall the associativity of the four operations for whole numbers through this table: Fill in this table and

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Class 8 / CBSE Maths / Rational Numbers / Rational Numbers

Rational Numbers

The role of zero (0) Look at the following. 2 + 0 = 0 + 2 = 2 (Addition of 0 to a whole number) – 5 + 0 = ... + ... = – 5 (Addition of 0 to an integer) \(\frac{-2}{7}+...=0+\

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Class 8 / CBSE Maths / Rational Numbers / Rational Numbers

Rational Numbers

Distributivity of multiplication over addition for rational numbers To understand this, consider the rational numbers \(\frac{-3}{4},\frac{2}{3}and\frac{-5}{6}\) \(\frac{-3}{4}\times \left\{ \fr

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