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Chapter 9 Class 8 Algebraic Expressions and Identities

Get NCERT Solutions of Chapter 9 Class 8 Algebraic Expressions and Identities free at Teachoo. Answers to all exercise questions, examples have been solved with step-by-step solutions. Concepts are explained before doing the questions.


In this chapter, we will learn

  • What are algebra expressions
  • Terms, Factors and Coefficients in an Algebra Expression
  • What are monomials, binomials, trinomials and polynomials
  • What are like and unlike terms in an algebraic expression
  • Adding and Subtracting Algebra Expression
  • Multiplication of Algebra Expressions
    • Multiplying two monomials
    • Multiplying three or more monomials
    • Multiplying Monomial by a Binomial
    • Multiplying Monomial by a Trionmial
    • Multiplying Binomial by a Binomial
    • Multiplying Binomial by a Trionmial
  • Algebra Identities


Here, we have divided the chapter into 2 parts - Serial Order Wise and Concept Wise.

Just like the NCERT Book, in Serial Order Wise, the chapter is divided into exercises and examples. This is useful if you are looking for answer to a specific question.


That is not a good way of studying.

In the NCERT Book, first question is of some topic, second question is of some other topic. There is no order

We have solved that using Concept Wise.

In Concept Wise, the chapter is divided into concepts. First the concept is taught. Then the questions of that concept is answered, from easy to difficult.


Click on a link to start doing the chapter