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NCERT Solutions for Class 7 Maths Chapter 9 Rational Numbers

iacst-2022

Rational numbers are a fraction with a non zero denominator. It is used in our daily lives because several measures of a quantity cannot be described by an integer or natural numbers alone. It is said to be one of the most critical chapters in Maths. This chapter deals with the number system, properties, operation and application of rational numbers. To make this chapter a little easier some tricks and easy methods of doing it are also shown in the solution. In Ex 9.1 The topics are rational numbers, positive and negative rational numbers, rational numbers on the number line, rational numbers in standard form, comparison of rational numbers and rational numbers between two rational numbers.

A rational number in standard form can also have a negative number but only on its numerator. In Ex 9.2, students will learn about addition, additive inverse, subtraction, multiplication, and rational numbers division. The additive inverse of a rational number is the same number but with the opposite sign. When the rational number and an additive inverse is added, the result will be zero. The topics and subtopics in chapter Rational number are:

  • Need for rational numbers
  • What are Rational numbers
  • Positive and negative Rational numbers
  • Rational numbers on a line
  • Comparison of Rational Numbers
  • Rational Number between two national number
  • Addition of Rational numbers
  • Subtraction of rational numbers
  • Multiplication of rational numbers
  • Division of rational numbers.

 

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Also See
NCERT Solutions for Class 7 Maths Chapter 1 Integers NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals NCERT Solutions for Class 7 Maths Chapter 3 Data Handling
NCERT Solutions for Class 7 Maths Chapter 4 Simple Equations NCERT Solutions for Class 7 Maths Chapter 5 Lines and Angles NCERT Solutions for Class 7 Maths Chapter 6 Triangles
NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles NCERT Solutions for Class 7 Maths Chapter 8 Comparing Quantities NCERT Solutions for Class 7 Maths Chapter 10 Practical Geometry
NCERT Solutions for Class 7 Maths Chapter 11 Perimeter and Area NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions NCERT Solutions for Class 7 Maths Chapter 13 Exponents and Powers
NCERT Solutions for Class 7 Maths Chapter 14 Symmetry NCERT Solutions for Class 7 Maths Chapter 15 Visualizing Solid Shapes

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