## Rational Numbers

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. A number ‘r’ is called a rational number, if it can be written… Continue reading Rational Numbers

9th mathematics exercise question with answer

## Real Numbers – Full Chapter – Class IX

We have studied Rational Numbers and their properties. Every rational number is of the form p/q, where p is an integer and q is a natural number; like 3/5, 1/3, -7/11. We also know how to add two rational numbers and how to multiply two rational numbers. In this chapter let us study Real Numbers in… Continue reading Real Numbers – Full Chapter – Class IX

## VIII – Table of Contents

VIII - Table of Contents Chapter 1. Unit 1: Playing with Numbers 1.1.2 Numbers in general form 1.1.6 Divisibility tests Unit 2: Squares, Square roots, Cubes and Cube roots 1.2.2. Perfect Squares Square root of a perfect square by factorization 1.2.6 Perfect squares near to a given number 1.2.7 Perfect cubes 1.2.8 Cube root Unit 3: Rational Numbers… Continue reading VIII – Table of Contents