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CBSE Class 8 Maths

CBSE Class 8 Maths

CBSE Class 8 Maths is an essential subject in higher classes as it is a foundation for advanced mathematics. The course aims to develop problem-solving, logical reasoning, and a thorough understanding of mathematics. Topics like linear equations and factorisation require logical thinking, which is the basis for the more complex problems that students will encounter in higher-level classes.

Students who want to take competitive exams like Math Olympiads and many others must clearly understand Class 8 Math. It forms the foundation for the questions being asked on these tests.

This blog will cover topics related to CBSE Class 8 Math, such as exam patterns, syllabuses, preparation tips, and other helpful information for students to prepare efficiently.

1.0CBSE Class 8 Maths Syllabus

The CBSE Class 8 syllabus aims to provide students with a profound understanding of mathematical concepts and instil critical thinking skills in them. Instead of focusing on students mastering pre-existing algorithms, the syllabus tries to teach them to understand the basic principles of mathematics. The aim is to make them enjoy the subject and to get them to develop their strategies for solving and posing problems. Mastering the Class 8 Maths syllabus is not solely about being ready for exams. Instead, it is a foundation for excelling in board examinations and developing a solid mathematical mindset. Here's a detailed overview of the CBSE Class 8 Maths syllabus:

Chapter 1: Rational Numbers

1.1 Introduction

1.2 Properties of Rational Numbers

1.3 Representation of rational numbers on the number line

1.4 Rational Number between Two Rational Numbers

Chapter 2: Linear Equations In One Variable

2.1 Introduction

2.2 Solving Equations which have Linear Expressions on one Side and Numbers on the other Side

2.3 Some Applications

2.4 Solving Equations having the Variable on both sides

2.5 Some More Applications

2.6 Reducing Equations to Simpler Form

2.7 Equations Reducible to the Linear Form

Chapter 3: Understanding Quadrilaterals

3.1 Introduction

3.2 Polygons

3.3 Some of the Measures of the Exterior Angles of a Polygon

3.4 Kinds of Quadrilaterals

3.5 Some Special Parallelograms

Chapter 4: Data Handling

4.1 Looking for Information

4.2 Organising Data

4.3 Grouping Data

4.4 Circle Graph or Pie Chart

4.5 Chance and Probability

Chapter 5: Squares and Square Roots

5.1 Introduction

5.2 Properties of Square Numbers

5.3 Some More Interesting Patterns

5.4 Finding the Square of a Number

5.5 Square Roots

5.6 Square Roots of Decimals

5.7 Estimating Square Root

Chapter 6: Cubes and Cube Roots

6.1  Introduction

6.2 Cubes

6.3 Cubes Roots

Chapter 7: Comparing Quantities

7.1 Recalling Ratios and Percentages

7.2 Finding the Increase and Decrease Percent

7.3 Finding Discounts

7.4 Prices Related to Buying and Selling (Profit and Loss)

7.5 Sales Tax/Value Added Tax/Goods and Services Tax

7.6 Compound Interest

7.7 Deducing a Formula for Compound Interest

7.8 Rate Compounded Annually or Half Yearly (Semi-Annually)

7.9 Applications of Compound Interest Formula

Chapter 8: Algebraic Expressions and Identities

8.1 What are Expressions?

8.2 Terms, Factors and Coefficients

8.3 Monomials, Binomials and Polynomials

8.4 Like and Unlike Terms

8.5 Addition and Subtraction of Algebraic Expressions

8.6 Multiplication of Algebraic Expressions: Introduction

8.7 Multiplying a Monomial by a Monomial

8.8 Multiplying a Monomial by a Polynomial

8.9 Multiplying a Polynomial by a Polynomial

8.10 What is an Identity?

8.11 Standard Identities

8.12 Applying Identities

Chapter 9: Mensuration

9.1 Introduction

9.2 Let Us Recall

9.3 Area of Trapezium

9.4 Area of General Quadrilateral

9.5 Area of Polygons

9.6 Solid Shapes

9.7 Surface Area of Cube, Cuboid and Cylinder

9.8 Volume of Cube, Cuboid and Cylinder

9.9 Volume and Capacity

Chapter 10: Exponents and Powers

10.1 Introduction

10.2 Powers with Negative Exponents

10.3 Laws of Exponents

10.4 Use of Exponents to Express Small Numbers in Standard Form

Chapter 11: Direct and Inverse Proportions

11.1 Introduction

11.2 Direct Proportion

11.3 Inverse Proportion

Chapter 12: Factorisation

12.1 Introduction

12.2 What is Factorisation?

12.3 Division of Algebraic Expressions

12.4 Division of Algebraic Expressions Continued (Polynomial)

12.5 Can you Find the Error?

Chapter 13: Introduction to Graphs

13.1 Introduction

13.2 Linear Graphs

13.3 Some Applications

2.0CBSE Class 8 Maths Books

The Class 8 Maths books are skillfully aligned with the curriculum so students can build a firm foundation in mathematics. These books are designed to boost not only conceptual but also practical abilities. They provide students with knowledge and confidence that will help them not just in Class 8 but also in their other academic endeavours.

  1. NCERT Textbook for Class 8 Maths

The CBSE Board follows the syllabus created by the NCERT, a book that covers all the topics mentioned by the Board. The chapters are designed in a structured manner to help students understand, making it easier for them to grasp complex concepts.

  1. Additional Reference Books for Class 8 Maths

Additional Reference books significantly improve a student's learning by providing a variety of question sets, including advanced-level questions that challenge students to apply concepts and gain a deeper understanding. By offering more practice with multiple questions and previous year question papers, these books help students build confidence, making them more prepared and self-assured in tackling challenging problems. Here are some reference books which students can practice from:

  1. R.D. Sharma
  2. RS Aggarwal

3.0CBSE Class 8 Maths Mock Tests

These tests help students become familiar with the exam pattern, types of questions, and effective time management, which are essential for reducing anxiety and boosting confidence. By regularly taking mock tests, students can identify their weak areas and focus their revision efforts on improving those specific topics.

Additionally, mock tests enhance problem-solving skills by providing a wide range of questions, from basic to advanced levels. This continuous practice not only improves understanding but also helps students build the stamina required to maintain focus during the actual exam. You can also enhance your preparation by practising with Allen's mock tests, meticulously designed by some of India's top expert faculties.

4.0CBSE Class 8 Maths Preparation Tips

To achieve good grades in CBSE Class 8 Maths, you must take a strategic approach; here are some tips to help you succeed: 

1. Start from Basics: Make sure you're thoroughly familiar with the entire syllabus before you start studying, as this will guide your preparation effectively. Begin by studying from the NCERT book, as it provides a clear and simplified understanding of concepts, making it easier to grasp the material quickly. After mastering the NCERT content, it's beneficial to move on to additional reference books for more in-depth practice and a broader range of problems.

2. Consistent Practice: Set weekly targets and schedule so you can complete the syllabus on time. Consistent practice is the key to getting good marks in mathematics. It reinforces concepts and improves problem-solving speed.

3. Regular Revision: This helps you remember all the concepts so that you don’t actually forget them and can solidify your understanding of the material without worrying about last-minute cramming before exams for improved performance. 

4. Solve Sample Papers: Utilize sample exam question sheets to simulate exam-like circumstances to a certain degree. This will not only help with time management but will also give you some indication of the nature and difficulty of questions that may appear in the actual exam. 

5. Stay Healthy & Confident: It is important to be healthy and in the right frame of mind to study effectively and perform well in the exam. Confidence is a key aspect of your approach to studying and exams—trust your preparation and stay calm under pressure. Maintaining a balanced lifestyle and a confident mindset will assist you in staying focused and performing optimally. 

Frequently Asked Questions:

The topic coverage in Class 8 Maths is moderate to easy. Overall, the subject isn't particularly difficult if you learn the concepts before solving the questions. As in any subject, practice is important. By consistently solving a variety of questions regularly, students will solidify their understanding, develop their problem-solving strategies, and build their confidence in tackling more difficult questions.

While you should emphasize the NCERT book, working through other reference books can encourage more challenging problems and new types of questions that can help reinforce your understanding and problem-solving skills.

To manage time effectively, you should solve the previous year’s question papers so you can get an idea of the actual exam pattern. Solving them within a given time limit will help you improve your speed. Start with questions you are confident about, and leave more challenging ones for later to ensure you complete the paper on time.

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