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8th Class Chapter No 9 - Algebra Expressions & Identities in Maths for CBSE NCERT

NCERT Solutions for Class 8 Maths Chapter 9 

Algebraic Expressions and Identities will become your favorite once you go through our NCERT Solution.We have prepared these NCERT Solutions for Class 8 Maths Chapter 9 with complete accuracy and it provides detailed solutions of all questions which come in Chapter 9 Algebraic Expressions and Identities. Don’t wait, just click on Download for free and become tension free for your homework or prepare for exams.

Class 8 Maths Chapter 9 CBSE NCERT Solutions-Algebraic Expressions and Identities 

Chapter 9 describe the fundamental concepts like terms, factors, coefficients, like and unlike terms, addition and subtraction of algebraic expressions, and multiplication of two or more polynomials. Students will be able to know about different algebraic expressions and identities and will solve problems with these identities. This chapter is basically about how to solve polynomial related problems.Our explanations given in NCERT Solutions for Class 8 Maths Chapter 9 will be very helpful to clear the concepts. This chapter discusses the concept of polynomials and their expressions representing the relationship between terms and factors. Let us discuss the sub-topics in details.

What are Expressions?

The student will know about various kind of expressions used in algebra and the number line is used to represent such expressions.

Terms, Factors and Coefficients

Here terms represent the product of factors may be a constant coefficient or maybe an algebraic variable.

Monomials, Binomials, and Polynomials

This explains various types of polynomials based on the number of terms ,monomials are with one term,binomials are with two terms and so on.

Like and Unlike Terms

In algebra terms will be categorized into like terms and unlike terms and here it explains it with the help of examples.

Addition and Subtraction of Algebraic Expressions

Here students will learn methods to add and subtract algebraic expressions and such operations are different than the operations with numbers only.

 Multiplication of Algebraic Expressions

This part of the chapter explains the expressions with the help of the pattern of dots.

Multiplying a Monomial by a Monomial

It deals with explaining the multiplication of two or more monomials.

  •  Multiplying two monomials

 Explains the multiplication of two monomials with examples.

  • Multiplying three or more monomials

Explains the multiplication of more than two monomials with examples.


Multiplying a Monomial by a Polynomial

It deals with explaining the multiplication of one monomial with the polynomial.

  • Multiplying a Monomial by a Binomial

Explains the multiplication of a monomial with a binomial.

  •  Multiplying a Monomial by a Trinomial

Explains the multiplication of a monomial with a trinomial.


Multiplying a Polynomial by a Polynomial

It deals with explaining the multiplication of a polynomial with another polynomial.

  •  Multiplying a Binomial by another binomial

Explains the multiplication of two binomials with examples.

  • Multiplying a Polynomial by a Polynomial

Explains the multiplication of a binomial with a trinomial with suitable examples.


 What is an Identity?

Defines about the identity and explains its application for solving the expression based questions.

Standard Identities

Here it describes some popular and standard identities which can be used extensively.

 Applying Identities

Student will learn the methods to apply the identities for solving the algebraic expressions.

Posted in 8th on February 13 2019 at 03:29 PM


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