NCERT solution Class 7 algebraic expressions

NCERT Solutions

Class 7 Maths

Algebraic Expressions

NCERT Questions

Ex.12.1 Q.1
Ex.12.1 Q.2
Ex.12.1 Q.3
Ex.12.1 Q.4
Ex.12.1 Q.5
Ex.12.1 Q.6
Ex.12.1 Q.7
Ex.12.2 Q.1
Ex.12.2 Q.2
Ex.12.2 Q.3
Ex.12.2 Q.4
Ex.12.2 Q.5
Ex.12.2 Q.6
Ex.12.3 Q.1
Ex.12.3 Q.2
Ex.12.3 Q.3
Ex.12.3 Q.4
Ex.12.3 Q.5
Ex.12.3 Q.6
Ex.12.3 Q.7
Ex.12.3 Q.8
Ex.12.3 Q.9
Ex.12.2 Q.10
Ex12.4 Q.1
Ex.12.4 Q.2

Ex.12.1 Q.2

(i) Identify the terms and their factors in the following expressions, show the terms and factors by tree diagram:

(a) x – 3

(b) 1 + x + x²

(d) 5xy² + 7x² y

(e) –ab + 2b² – 3a²

(ii) Identify the terms and factors in the expressions given below:

(a) -4x + 5

(b) -4x + 5y

(d) xy + 2x² y²

(e) pq + q

(f) 1.2ab – 2.4b + 3.6a

(g)

(h) 0.1p + 0.2q²

(a) x – 3

Expression

Terms

Factors

(b) 1 + x + x²

Expression

Terms

Factors

Expression

Terms

Factors

(d) 5xy² + 7x² y

Expression

Terms

Factors

(e) –ab + 2b² – 3a²

Expression

Terms

Factors

(ii) (a) -4x + 5 (b) -4x + 5y

Terms: -4x, 5 Terms: -4x, 5y

Factors: -4, x; 5 Factors: -4, x; 5, y

Terms: 5y, 3y² Terms: xy, 2x² y²

Factors: 5, y; 3, y, y Factors: x, y; 2x, x, y, y

(e) pq + p (f) 1.2ab – 2.4b + 3.6 a

Terms: pq, q Terms: 1.2ab, -2.4b, 3.6 a

Factors: p, q; q Factors: 1.2, a, b; -2.4, b; 3.6, a

(g) (h) 0.1p² + 0.2q²

Terms: , Terms: 0.1p², 0.2q²

Factors: , x, Factors: 0.1, p, p; 0.2, q, q

Video solution:

Algebraic Expressions Class 7 Maths NCERT Chapter 12 NCERT Solutions

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Attempt to Solve Yourself: Before looking at the solution, try to solve or answer the question independently. This practice will help you test your knowledge and problem-solving skills.
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Refer to Solution Video (if needed): If you encounter difficulty or are unable to solve a question, you can refer to the NCERT solution video on Algebraic Expressions Class 7 Maths NCERT Chapter 12 to get a step-by-step explanation of the correct approach. Pay attention to the reasoning and methodology used in the video.
Solve Again Yourself: Once you've understood the solution, attempt to solve the question again by yourself. Repetition and practice solidify your understanding of the concepts and improve retention.
Avoid Memorization: Focus on understanding the underlying principles and concepts behind each solution. Avoid simply memorizing the solutions, as this may hinder your ability to apply the knowledge in different contexts.
Attempt All Questions: Make an effort to attempt all the questions provided in the NCERT textbook. This comprehensive practice will help you cover the entire syllabus and reinforce your understanding across various topics. You may refer Class 7 Maths Algebraic Expressions Online Test on LearnoHub.com.
Review and Revise: Regularly review the concepts and solutions you've learned. Revise your notes and practice regularly to retain the knowledge effectively. You may refer Algebraic Expressions Class 7 Maths Notes.
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NCERT solutions of Algebraic Expressions Class 7 Maths - all questions of all exercises are solved. Q. No. 1, 2, 3, and so on. Complete explanation and detailed solution makes them the best videos for Class 7 Maths Algebraic Expressions NCERT solutions.