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Maths Important Questions for Class 8
Maths is a vast subject. The concept students learn in the lower classes helps in developing skills for higher classes. Thus, solving important questions for class 8 Maths helps students to score good marks.
Class 8 Maths gives the student a chapterwise plan to prepare the student for the CBSE class 8 examination. Important questions for class 8 Maths will help the students with practice for exam preparation. The questions are prepared by expert teachers of the subject so that all the topics and concepts are covered.
The important questions for class 8 Mathes will help students to gauge their understanding of the major concepts that are taught in class 8 Maths. By practising them, students will get an idea of what type of questions will be asked in the exam. Solving the important questions of Maths for class 8 CBSE will help students understand the concept well.
To access the important questions for class 8 Maths, students may register at Extramarks.
Class 8 Maths Important Questions – Chapters Covered
There are 16 Chapters and subtopics that have important questions for class 8 Maths. The list here is created as per the NCERT books and the latest CBSE syllabus and is mentioned below.
Chapter 1: Rational Numbers
Rational numbers are the numbers that can be represented in the form of p/q, where p and q are integers, and q is not equal to 0.
 Ex 1.1 Introduction to Rational Numbers
 Ex 1.2 Properties of Rational Numbers
 Ex 1.3 Representation of Rational Numbers on the Number Line
 Ex 1.4 Rational Numbers between Two Rational Numbers
Chapter 2: Linear Equations in One Variable
Linear equations in one variable are algebraic expressions that have only one variable.
 Ex 2.1 Introduction to Linear Equations in One Variable
 Ex 2.2 Solving Equations which have Linear Expressions on one Side and Numbers on the Other Side
 Ex 2.3 Some Applications
 Ex 2.4 Solving Equations having the Variable on Both Sides
 Ex 2.5 Some More Applications
 Ex 2.6 Reducing Equations to Simpler Form
 Ex 2.7 Equations Reducible to the Linear Form
Chapter 3: Understanding Quadrilaterals
Understanding quadrilaterals teaches different types of quadrilaterals and their properties.
 Ex 3.1 Introduction to Quadrilaterals
 Ex 3.2 Polygons
 Ex 3.3 Sum of the Measures of the Exterior Angles of a Polygon
 Ex 3.4 Kinds of Quadrilaterals
 Ex 3.5 Some Special Parallelograms
Chapter 4: Practical Geometry
In this chapter, students will learn to construct the quadrilaterals based on certain given conditions, such as when the dimensions are given for its sides and diagonals or for angles.
 Ex 4.1 Introduction to Practical Geometry
 Ex 4.2 Constructing a Quadrilateral
 Ex 4.3 Some Special Cases
Chapter 5: Data Handling
Students will understand the significance of data and its management in small and large industries.
 Ex 5.1 Looking for Information – Data Handling
 Ex 5.2 Organising Data
 Ex 5.3 Grouping Data
 Ex 5.4 Circle Graph or Pie Chart
 Ex 5.5 Chance and Probability
Chapter 6: Squares and Square Roots.
Students will learn how to find squares and square roots for different numbers.
 Ex 6.1 Introduction to Square and Square Roots
 Ex 6.2 Properties of Square Numbers
 Ex 6.3 Some More Interesting Patterns
 Ex 6.4 Finding the Square of a Number
 Ex 6.5 Square Roots
 Ex 6.6 Square Roots of Decimals
 Ex 6.7 Estimating Square Root
Chapter 7: Cubes and Cube Roots
In this chapter, students will learn to find cube and cube roots for different numbers.
 Ex 7.1 Introduction to Cubes and Cube Roots
 Ex 7.2 Cubes
 Ex 7.3 Cube Roots
Chapter 8: Comparing Quantities
This chapter is based on finding percentage, cost price, selling price, profit, loss, and compound interest.
 Ex 8.1 Recalling Ratios and Percentages
 Ex 8.2 Finding the Increase or Decrease in percent
 Ex 8.3 Finding Discounts
 Ex 8.4 Prices Related to Buying and Selling (Profit and Loss)
 Ex 8.5 Sales Tax/Value Added Tax/Goods and Services Tax
 Ex 8.6 Compound Interest
 Ex 8.7 Deducing a Formula for Compound Interest
 Ex 8.8 Rate Compounded Annually or Half Yearly (SemiAnnually)
 Ex 8.9 Applications of Compound Interest Formula
Chapter 9: Algebraic Expressions and Identities
The chapter teaches students to find the degree of the polynomial, dividing a monomial by monomial, dividing a polynomial by a monomial, and dividing polynomial by polynomial. It also teaches the students to divide the algebraic expression employing factorisation.
 Ex 9.1 What are Expressions?
 Ex 9.2 Terms, Factors and Coefficients
 Ex 9.3 Monomials, Binomials and Polynomials
 Ex 9.4 Like and Unlike Terms
 Ex 9.5 Addition and Subtraction of Algebraic Expressions
 Ex 9.6 Multiplication of Algebraic Expressions: Introduction
 Ex 9.7 Multiplying a Monomial by a Monomial
 Ex 9.8 Multiplying a Monomial by a Polynomial
 Ex 9.9 Multiplying a Polynomial by a Polynomial
 Ex 9.10 What is an Identity?
 Ex 9.11 Standard Identities
 Ex 9.12 Applying Identities
Chapter 10: Visualising Solid Shapes
The chapter introduces some very interesting concepts, such as visualising solid shapes, and views of 3dshapes like cubes, cylinders, cones, spheres, etc.
 Ex 10.1 Introduction to Visualising Solid Shapes
 Ex 10.2 Views of 3DShapes
 Ex 10.3 Mapping Space Around Us
 Ex 10.4 Faces, Edges and Vertices
Chapter 11: Mensuration
This chapter deals with the measurement of area, perimeter, surface area and volume of different types of shapes.
 Ex 11.2 Introduction to Mensuration
 Ex 11.2 Let us Recall
 Ex 11.3 Area of Trapezium
 Ex 11.4 Area of a General Quadrilateral
 Ex 11.5 Area of a Polygon
 Ex 11.6 Solid Shapes
 Ex 11.7 Surface Area of Cube, Cuboid and Cylinder
 Ex 11.8 Volume of Cube, Cuboid and Cylinder
 Ex 11.9 Volume and Capacity
Chapter 12: Exponents and Powers
Here students will learn how to write large numbers easily using exponents and powers.
 Ex 12.1 Introduction to Exponents and Powers
 Ex 12.2 Powers with Negative Exponents
 Ex 12.3 Laws of Exponents
 EX 12.4 Use of Exponents to Express Small Numbers in Standard Form
Chapter 13: Direct and Inverse Proportions.
A direct and inverse proportion are applied to determine how the quantities and amounts are correlated with each other.
 Ex 13.1 Introduction to Direct and Inverse Proportions
 Ex 13.2 Direct Proportion
 Ex 13.3 Inverse Proportion
Chapter 14: Factorisation
This chapter deals with writing a given expression as the product of two or more factors is called factorisation.
 Ex 14.1 Introduction to Factorisation
 Ex 14.2 What is Factorisation?
 Ex 14.3 Division of Algebraic Expressions
 Ex 14.4 Division of Algebraic Expressions Continued (Polynomial ÷ Polynomial)
 Ex 14.5 Can you Find the Error?
Chapter 15: Introduction to Graphs
This chapter deals primarily with the representation of data using different graph diagrams.
 Ex 15.1 Introduction
 Ex 15.2 Linear Graphs
 Ex 15.3 Some Applications
Chapter 16: Playing with Numbers
Playing with Numbers, introducing Numbers in General Form, Games with Numbers and Divisibility test by some numbers.
 Ex 16.1 Introduction
 Ex 16.2 Numbers in General Form
 Ex 16.3 Games with Numbers
 Ex 16.4 Letters for Digits
 Ex 16.5 Tests of Divisibility
Important Questions For Class 8 Maths Weightage
Practicing important questions for class 8 Maths will build the student’s confidence which will help them to score better during examinations. It will help in building a strong foundation for students. While class 8 Maths’ important questions are crucial, it is also vital to revise all topics under the chapter before trying to solve the important questions.
All important questions for class 8 Maths are prepared according to the latest syllabus and follow the guidelines set by CBSE, India. Solving these Maths questions for class 8 will assist the students in judging their understanding of the chapter.
Important Questions for Class 8 Maths Chapter Wise
Extramarks important questions for class 8 Maths are equipped with chapterwise plans for the students to prepare well for the CBSE class 8 examination. The solutions provided for the Maths important questions for class 8 are prepared by subject experts who have got very good teaching experience. These questions are compiled with reference to NCERT Books, several years of examination papers and based on how crucial the topic is for higher studies.
Students can click on the link for chapterwise important questions for class 8 Maths with solutions.
 Chapter 1. Rational Numbers
 Chapter 2. Linear Equation in One Variable
 Chapter 3. Understanding Quadrilaterals
 Chapter 4. Practical Geometry
 Chapter 5. Data Handling
 Chapter 6. Squares and Square Roots
 Chapter 7. Cubes and Cube Roots
 Chapter 8. Comparing Quantities
 Chapter 9. Algebraic Expressions and Identities
 Chapter 10. Visualising Solid Shapes
 Chapter 11. Mensuration
 Chapter 12. Exponents and Powers
 Chapter 13. Direct and Inverse Proportions
 Chapter 14. Factorisation
 Chapter 15. Introduction to Graphs
 Chapter 16. Playing with Numbers
Maths Questions for Class 8 with Answers – Types of Questions
The important questions for class 8 Maths include MCQs, short answer type questions, long answer type questions, and case studybased questions. These questions are a vital part of the study schedule. The chapterwise important questions are good for students for selfstudy, which will help them in preparing for examinations. In addition to it, solving sample papers will be a great help for students.
Along with important questions for class 8 Maths, students can use various study materials during revision by clicking the link below.
Important Questions For Class 8 Maths With Solutions
Benefits Of Solving Maths Questions for Class 8
Some of the benefits of Extramarks important questions for class 8 Maths include the following.
 Solving these questions increases the confidence in the student, which in turn helps them to score good marks.
 Practicing important questions for class 8 Maths helps students to improve in their weak topics.
 Solving them helps students to learn the formulae and understand the concepts well.
 It covers all the important topics that will be asked in the exam.
 Solving important questions for class 8 Maths increases students’ problemsolving skills and critical thinking abilities.
 Students will understand the pattern of the question paper and the marking scheme of the exam.
CBSE Class 8 Maths Important Questions
FAQs (Frequently Asked Questions)
1. How are chapterwise important questions for class 8 Maths helpful for students?
The chapterwise important questions for class 8 Maths can help the students to clear their doubts, improve in their weak topics and prepare themselves for the exam in a better way. They also help with board exam preparation.
2. Which chapter is interesting in class 8 Maths?
Playing with numbers is an interesting chapter in class 8 Mathcs. Students will enjoy puzzles of missing numbers.
3. How to score the highest marks in class 8 Maths?
One can score 90% and above in class 8 Maths by practising important questions for class 8 Maths, solving past years’ question papers, revision notes, and sample papers.