NCERT Book Class 8 Maths Factorisation

Read and download NCERT Book Class 8 Maths Factorisation in NCERT book for Class 8 Mathematics. You can download latest NCERT books PDF chapterwise free from Studiestoday.com. This Mathematics textbook for Class 8 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 8 Mathematics to understand the answers of the exercise questions given at the end of this chapter

NCERT Book for Class 8 Mathematics Chapter 14 Factorisation

Class 8 Mathematics students should refer to the following NCERT Book Chapter 14 Factorisation in Class 8. This NCERT Book for Class 8 Mathematics will be very useful for exams and help you to score good marks

Chapter 14 Factorisation NCERT Book Class 8

Click on the view or download PDF button below to access the Chapter 14 Factorisation Class 8 Mathematics book. All Mathematics Class 8 NCERT books have been divided into various chapters so that you can download and read them easily. Refer to the section below to access more books of Mathematics in Class 8.

 

14.1 Introduction
14.1.1 Factors of natural numbers
You will remember what you learnt about factors in Class VI. Let us take a natural number, say 30, and write it as a product of other natural numbers, say
                                                                                           30 = 2 × 15
                                                                                               = 3 × 10 = 5 × 6

Thus, 1, 2, 3, 5, 6, 10, 15 and 30 are the factors of 30. Of these, 2, 3 and 5 are the prime factors of 30 (Why?)

NCERT Class 8 Maths Factorisation

A number written as a product of prime factors is said to be in the prime factor form; for example, 30 written as 2 × 3 × 5 is in the prime factor form.

The prime factor form of 70 is 2 × 5 × 7. The prime factor form of 90 is 2 × 3 × 3 × 5, and so on. Similarly, we can express algebraic expressions as products of their factors. This is what we shall learn to do in this chapter.

14.1.2 Factors of algebraic expressions
We have seen in Class VII that in algebraic expressions, terms are formed as products of factors. For example, in the algebraic expression 5xy + 3x the term 5xy has been formed by the factors 5, x and y, i.e.,
                                                                                                         5xy = 5× x × y

NCERT Class 8 Maths Factorisation

Observe that the factors 5, x and y of 5xy cannot further be expressed as a product of factors. We may say that 5, x and y are ‘prime’ factors of 5xy. In algebraic expressions, we use the word ‘irreducible’ in place of ‘prime’. We say that  5 × x × y is the irreducible form of 5xy. Note 5 × (xy) is not an irreducible form of 5xy, since the factor xy can be further expressed as a product of x and y, i.e., xy = x × y.

Please refer to attached file for NCERT Class 8 Maths Factorisation

Chapter 01 Rational Numbers
NCERT Book Class 8 Maths Rational Numbers
Chapter 02 Linear Equations in One Variable
NCERT Book Class 8 Maths Linear Equations in One Variable
Chapter 03 Understanding Quadrilaterals
NCERT Book Class 8 Maths Understanding Quadrilaterals
Chapter 04 Practical Geometry
NCERT Book Class 8 Maths Practical Geometry
Chapter 06 Squares and Square Roots
NCERT Book Class 8 Maths Squares and Square Roots
Chapter 07 Cubes and Cube Roots
NCERT Book Class 8 Maths Cubes and Cube Roots
Chapter 08 Comparing Quantities
NCERT Book Class 8 Maths Comparing Quantities
Chapter 09 Algebraic Expressions and Identities
NCERT Book Class 8 Maths Algebraic Expressions and Identities
Chapter 10 Visualising Solid Shapes
NCERT Book Class 8 Maths Visualising Solid Shapes
Chapter 12 Exponents and Powers
NCERT Book Class 8 Maths Exponents and Powers
Chapter 13 Direct and Inverse Proportions
NCERT Book Class 8 Maths Direct and Inverse Proportions
Chapter 15 Introduction to Graphs
NCERT Book Class 8 Maths Introduction to Graphs
Chapter 16 Playing with Numbers
NCERT Book Class 8 Maths Playing with Numbers

NCERT Book Class 8 Mathematics Chapter 14 Factorisation

The above NCERT Books for Class 8 Mathematics Chapter 14 Factorisation have been published by NCERT for latest academic session. The textbook by NCERT for Chapter 14 Factorisation Mathematics Class 8 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Chapter 14 Factorisation NCERT etextbooks as the exams for Class 8 Mathematics are always asked as per the syllabus defined in these ebooks. These Class 8 Chapter 14 Factorisation book for Mathematics also includes collection of question. Along with Mathematics Class 8 NCERT Book in Pdf for Chapter 14 Factorisation we have provided all NCERT Books in English Medium for Class 8 which will be really helpful for students who have opted for english language as a medium. Class 8 students will need their books in English so we have provided them here for all subjects in Class 8. You can download free NCERT Mathematics Class 8 Textbook PDF and all chapters by clicking on the links above

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