NCERT books are recommended text book for CBSE school curriculum. Most of the govt aided and private schools in India follow NCERT text books as the syllabus books for school subjects. They are written by eminent academicians and scholars from leading universities and academic institutions in India, and help in building a strong base, as well help understand each concept by relevant examples and exercises. They are termed best in term of concept building, for their usage of real life practical examples, and good end of the chapter exercises.

In this article, we have shared solved NCERT exercises for Class 7 maths algebraic expressions chapter. Algebraic expressions is an important chapter, as it set a base for the algebra for the future classes. These NCERT solutions will help students in solving their doubts and clarifying confusion regarding confusions regarding this chapter. Students can refer to NCERT solutions for algebraic expressions chapter for their conceptual understanding, as well as matching their own answers with the right solutions of the exercises.

## Class 7 math ncert solution algebraic expressions chapter

**Exercise 12.1 solutions**

Q1 – Get the algebraic expressions in the following cases using variables, constants and arithmetic operations. (i) Subtraction of z from y. (ii) One-half of the sum of numbers x and y. (iii) The number z multiplied by itself. (iv) One-fourth of the product of numbers p and q. (v) Numbers x and y both squared and added. (vi) Number 5 added to three times the product of numbers m and n. (vii) Product of numbers y and z subtracted from 10. (viii) Sum of numbers a and b subtracted from their product. View solution

Q2 – (i) Identify the terms and their factors in the following expressions Show the terms and factors by tree diagrams (ii) Identify terms and factors in the expressions given below: View solution

Q3 – Identify the numerical coefficients of terms (other than constants) in the following expressions: View solution

Q4 – (a) Identify terms which contain x and give the coefficient of x. (b) Identify terms which contain y2 and give the coefficient of y2 View solution

Q5 – Classify into monomials, binomials and trinomials. View solution

Q6 – State whether a given pair of terms is of like or unlike terms View solution

Q7 – Identify like terms in the following: View solution

**Exercise 12.2 solutions**

Q1 – Simplify combining like terms: View solution

Q2 – Add View solution

Q3 – Subtract View solution

Q4- (b) What should be subtracted from 2a + 8b + 10 to get – 3a + 7b + 16? View solution

Q6 (a) From the sum of 3x – y + 11 and – y – 11, subtract 3x – y – 11 View solution

**Exercise 12.3 solutions**

Q1 – If m = 2, find the value of View solution

Q2 – If p = – 2, find the value of: View solution

Q3 – Find the value of the following expressions, when x = –1: View solution

Q4 – If a = 2, b = – 2, find the value of: View solution

Q5 – When a = 0, b = – 1, find the value of the given expressions: View solution

Q6 – Simplify the expressions and find the value if x is equal to 2 View solution

Q7 – Simplify these expressions and find their values if x = 3, a = – 1, b = – 2. (i) 3x – 5 – x + 9 (ii) 2 – 8x + 4x + 4 (iii) 3a + 5 – 8a + 1 (iv) 10 – 3b – 4 – 5b (v) 2a – 2b – 4 – 5 + a View solution

Q8 – View solution

Q10 View solution

## End Note

In the article, we have shared solutions for ncert exercises for class 7 maths for algebraic expressions chapter. Students can click to respective chapters and refer to the right solution. We advise students to refer to them as clearing their concepts, and matching their solutions. Student should not use them to copy solutions for their homework and instead should try to solve homework on own, as it will impact their learning process.

In case you have any doubts regarding solution, or need further clarification, you can write to us. You can also reach out to us, in case you have doubt in other text books’ problems or school exam papers. We will be glad to assist you in helping with your doubt.

### About Xamnation

Xamnation was started by IIT and IIM graduates with strong experience in education sectors. We have been helping students from different age groups (schools as well as college students) in their respective learning requirements. We have online coaching programs for all school subjects and we are offering online tuitions for math and other subjects. We have personalized courses as per student requirements for all subjects. Check here to know more on the coaching for grade 7 . You can also reach out to us via email or via whatsapp. Our counselors will be glad to assist you and advise you on the right course for your learning requirement.