Last Updated on November 27, 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 9 Mensuration. It is a part of Assertion Reason Questions for CBSE Class 8 Maths Series.
| Chapter | Mensuration |
| 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 |
Assertion Reason Questions on Mensuration
Questions:
Q. 1. Assertion (A): The surface area of cuboid of length l, breadth b, height h is 2(lb + bh + hl).
Reason(R): Area is the quantity that expresses the extent of a two dimensional region, shape, or planar lamina, in the plane.
Difficulty Level: Medium
Ans. Option (b) is correct
Explanation: Assertion and Reason are correct, but Reason is not correct explanation of assertion.
Q. 2. Assertion (A): The volume of a cube of edge ‘a’ is a3.
Reason(R): Volume of cube is equal to the cube of its side (all the sides are equal in length).
Difficulty Level: Medium
Ans. Option (a) is correct
Explanation: Assertion is correct formula for volume of cube and reason is also correct explanation.
Also check
- Exponents and Powers Class 8 Assertion Reason Questions Maths Chapter 10
- Mensuration Class 8 Assertion Reason Questions Maths Chapter 9
- Comparing Quantities Class 8 Assertion Reason Questions Maths Chapter 7
- Cube and Cube Roots Class 8 Assertion Reason Questions Maths Chapter 6
- Algebraic Expressions and Identities Class 8 Assertion Reason Questions Maths Chapter 8
- Square and Square Roots Class 8 Assertion Reason Questions Maths Chapter 5
- Data Handling Class 8 Assertion Reason Questions Maths Chapter 4
- Understanding Quadrilaterals Class 8 Assertion Reason Questions Maths Chapter 3
- Linear Equations in One Variable Class 8 Assertion Reason Questions Maths Chapter 2
- Rational Numbers Class 8 Assertion Reason Questions Maths Chapter 1
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Topics from which assertion reason questions may be asked
- Area of a Polygon
- Solid Shapes
- Surface Area of Cube, Cuboid and Cylinder
- Volume of Cube, Cuboid and Cylinder
- Volume and Capacity
Polygon is a closed shaped made up of line segments with no end point.
To find area of a polygon divide it into triangles and quadrilaterals then find the area of triangles and quadrilaterals then add them.
Polygon can be Regular and irregular
Polygons having all its sides and angles equal are Regular Polygon.
Assertion reason questions from the above given topic may be asked.
Important Keywords
Right Circular Cylinder: When cylinder two circular faces are congruent and are parallel to each other and a line segment joining the center of circular faces is perpendicular to base it is called Right Circular Cylinder.
Lateral Surface Area: It is an area of curved surface of a shape therefore it is also called curved surface area
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Frequently Asked Questions (FAQs) on Mensuration 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 is Mensuration in Class 8 Maths?
A7: Mensuration refers to the branch of mathematics that deals with the measurement of various geometric figures such as area, perimeter, surface area, and volume of 2D and 3D shapes. In Class 8, students learn to calculate these parameters for figures like rectangles, triangles, cubes, cuboids, and cylinders.
Q8: What is the difference between volume and capacity?
A8: Volume refers to the amount of space an object occupies.
Capacity is the quantity of substance a container can hold, generally used for liquids.
Q9: What is the formula for finding the volume of a cylinder?
A9: The volume of a cylinder is calculated using the formula: V = πr2h
where 𝑟 is the radius of the base, and ℎ is the height.
Q10: Are there any online resources or tools available for practicing “Mensuration“ assertion reason questions?
A10: A9: 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.
