Algebraic Expressions and Identities Class 8 Assertion Reason Questions Maths Chapter 8

Q: Q4: What strategies should students use to answer assertion reason questions effectively?

A4: Students can use the following strategies: Understand Each Statement Separately: Determine if each statement is true or false independently. Analyze the Relationship: If both statements are true, check if the reason correctly explains the assertion.

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Last Updated on September 18, 2024 by XAM CONTENT

Hello students, we are providing case study questions for class 8 maths. Assertion Reason questions are the new question format that is introduced in CBSE board. The resources for assertion reason questions are very less. So, to help students we have created chapterwise assertion reason questions for class 8 maths. In this article, you will find assertion reason questions for CBSE Class 8 Maths Chapter 8 Algebraic Expressions and Identities. It is a part of Assertion Reason Questions for CBSE Class 8 Maths Series.

Chapter	Algebraic Expressions and Identities
Type of Questions	Assertion Reason Questions
Nature of Questions	Competency Based Questions
Board	CBSE
Class	8
Subject	Maths
Useful for	Class 8 Studying Students
Answers provided	Yes
Difficulty level	Mentioned
Important Link	Class 8 Maths Chapterwise Assertion Reason

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Table of Contents

Assertion Reason Questions on Algebraic Expressions and Identities

Questions:

Q. 5. Assertion (A): The expression 8pq + 5 is in two variables.
Reason (R): There are two variables p and q.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Difficulty Level: Medium

Ans. Option (a) is correct
Explanation: and are two variables.

Q. 6. Assertion (A): Product of monomial and binomial is binomial.
Reason(R): Distributive law, is used to carry out the multiplication term by term.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Difficulty Level: Medium

Ans. Option (b) is correct

Also check

Topics from which assertion reason questions may be asked

Multiplication of Algebraic Expressions
Multiplying a Monomial by a Polynomial
Multiplying a Polynomial by a Polynomial

Addition and Subtraction of Algebraic Expressions: While adding or subtracting polynomials, first look for like terms and then add or subtract these terms, then handle the unlike terms.

Multiplication of Algebraic Expressions
(i) Multiplying two monomials
(ii) Multiplying three or more monomials

Multiplying a monomial by a polynomial
(i) Multiplying a monomial by a binomial
(ii) Multiplying a monomial by a trinomial

Multiplying a polynomial by a polynomial
(i) Multiplying a binomial by a binomial
(ii) Multiplying a binomial by a trinomial.

Assertion reason questions from the above given topic may be asked.

Important Keywords

Like term: Terms having same literal factors are called like terms e.g., 7ab², 2ab², 3b²a are like terms.
Monomial: An algebraic expression that contains only one term is called monomial. e.g., –6abc, 5xy etc
Binomial: An algebraic expression that contains two terms are called Binomial. e.g., x + 5 etc
Trinomial: An algebraic expression that contains three terms are called trinomial. e.g., 2x – 7y + 4 etc
Polynomial: An algebraic expression that contains one or more terms are called Polynomial. e.g., 7xy + 2z + 3y + 4a

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Frequently Asked Questions (FAQs) on Algebraic Expressions and Identities Assertion Reason Questions Class 8

Q1: What are assertion reason questions?

A1: Assertion-reason questions consist of two statements: an assertion (A) and a reason (R). The task is to determine the correctness of both statements and the relationship between them. The options usually include:
(i) Both A and R are true, and R is the correct explanation of A.
(ii) Both A and R are true, but R is not the correct explanation of A.
(iii) A is true, but R is false.
(iv) A is false, but R is true. or A is false, and R is also false.

Q2: Why are assertion reason questions important in Maths?

A2: Students need to evaluate the logical relationship between the assertion and the reason. This practice strengthens their logical reasoning skills, which are essential in mathematics and other areas of study.

Q3: How can practicing assertion reason questions help students?

A3: Practicing assertion-reason questions can help students in several ways:
Improved Conceptual Understanding: It helps students to better understand the concepts by linking assertions with their reasons.
Enhanced Analytical Skills: It enhances analytical skills as students need to critically analyze the statements and their relationships.
Better Exam Preparation: These questions are asked in exams and practicing them can improve your performance.

Q4: What strategies should students use to answer assertion reason questions effectively?

A4: Students can use the following strategies:
Understand Each Statement Separately: Determine if each statement is true or false independently.
Analyze the Relationship: If both statements are true, check if the reason correctly explains the assertion.

Q5: What are common mistakes to avoid when answering Assertion Reason questions?

A5: Common mistakes include:
Not reading the statements carefully and missing key details.
Assuming the Reason explains the Assertion without checking the logical connection.
Confusing the order or relationship between the statements.
Overthinking and adding information not provided in the question.

Q6: What resources can help me practice Assertion Reason Questions for Class 8 Maths?

A6: Use study guides specifically designed for Assertion-Reason questions. Online educational platforms and reference books for Class 8 Maths also offer practice questions and explanations. xamcontent.com also provides assertion reason questions for cbse class 8 maths.

Q7: What are algebraic expressions?

A7: Algebraic expressions are mathematical phrases that include numbers, variables (like x, y), and operations (like addition, subtraction, multiplication, and division). They represent a quantity and can include constants, coefficients, and variables. For example, 3x+4 is an algebraic expression.

Q8: How do you add and subtract algebraic expressions?

A8: To add or subtract algebraic expressions, first identify and group like terms. Then, add or subtract the coefficients of these like terms while keeping the variables and their powers the same.

Q9: What is factorization of algebraic expressions, and why is it important?

A9: Factorization is the process of breaking down an algebraic expression into a product of its factors. It is important because it simplifies expressions and is essential in solving equations, especially quadratic equations.

Q10: Are there any online resources or tools available for practicing “Algebraic Expressions and Identities“ assertion reason questions?

A10: We provide assertion reason questions for CBSE Class 8 Maths on our website. Students can visit the website and practice sufficient assertion reason questions and prepare for their exams. If you need more case study questions, then you can visit Physics Gurukul website. they are having a large collection of case study questions for all classes.