NCERT Solutions for Class 7 Maths Chapter 12 Algebraic Expressions in Hindi and English Medium prepared for CBSE session 2022-2023.

• ## 7th Maths Chapter 12 Solutions in English Medium

### NCERT Solutions for Class 7 Maths Chapter 12

7th Maths Exercise 12.1, Exercise 12.2, Exercise 12.3 and Exercise 12.4 in English Medium and Prashnavali 12.1, Prashnavali 12.2, Prashnavali 12.3 and Prashnavali 12.4 in Hindi Medium free to download in PDF format or view online. View in Video Format or download in PDF file which is Updated for the new session based on new (https://ncert.nic.in/) NCERT Books 2022-2023.

 Class: 7 Mathematics Chapter 12: Algebraic Expressions Content: Exercises Solution Content mode: Online Text and Videos Medium: English and Hindi Medium

#### 7 Maths Chapter 12 Solutions

Class 7 Maths Chapter 12 Algebraic Expressions all four exercises solutions are given below. These are updated NCERT Solutions for 2022-2023 for the new session 2022-23.

### If m = 2, find the value of m – 2.

Putting the value of m in m – 2 We have 2 – 2 = 0

### What do you mean by like terms in Algebraic Expressions?

The terms having the same algebraic factors are called like terms.

### What are unlike terms in Algebraic Expressions?

The terms having different algebraic factors are called unlike terms.

### What are monomial, binomial or trinomial in Algebraic Expressions?

Expression with one term is called a ‘Monomial’.
Expression with two unlike terms is called a ‘Binomial’.
Expression with three unlike terms is called a ‘Trinomial’.

### How are the mathematical operations done in algebraic expressions?

When we add (or subtract) two algebraic expressions, the like terms are added (or subtracted) and the unlike terms are written as they are.

##### About NCERT Solutions for Class 7 Maths Chapter 12

In 7 Maths Chapter 12 Algebraic Expressions, the questions based on mainly algebraic identities and it applications. In this chapter we will study about a variable and a constant. A variable can take various values. Its value is not fixed. On the other hand, a constant has a fixed value. Examples of constants are: 4, 20, –127, etc. Before discussing the algebraic expression, we should know about the terms, coefficients, etc.
1. Term: The parts of algebraic expressions which are formed separately and then added for form an algebraic 2. expressions. Such parts of an expression which are formed separately first and then added are known as terms.
Coefficient: The factors of the terms may be numerical and the others algebraic. The numerical factor is said to be the numerical coefficient or simply the coefficient of the term.
In chapter 12 of 7th Maths, we will learn the addition or subtractions of expression on the basis of like terms or unlike terms. Terms like monomial, binomial, trinomial or any polynomial. Finding the value of an expression given in this chapter will help you in later classes to study functions of variables.

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All the changes that we have made as the suggestions of the students, if someone is facing difficulty with these changes, please inform us. For more suggestions, you are welcome. We are improving our solutions 2022-23 and contents day by day with the help of your help.                                