Maths Formulas For Class 8​ Free PDF Download

All the Maths formulas for class 8 you study, memorise and master their application is the fundamental you build for higher classes. With a strong command of class 8 math formulas, your chances to score 90+ marks in the final exam become easy. Since compiling all the formulas from NCERT Class 8 Maths textbooks is a tedious and time-consuming process, our experts have curated all the formulas in a PDF for you.

Referring to SelfStudys maths formulas for class 8 PDF download​ links, you get access to the chapterwise maths formulas in just 16 individual PDFs. We aim to make the learning process easier for students to help them become self-reliant; therefore, our formula PDFs are in a chapter-wise format.

Key Features of Maths Formulas for Class 8 in PDF

Here are the key features of the CBSE class 8 maths formulas PDF to help you decide to download it to improve your mathematical skills.

1. The most prominent feature is that it is available for free to download on your smartphone.
2. Our maths experts have curated the formulas in a PDF file to ensure accuracy and syllabus-based information.
3. Simple, clear, and easy-to-understand language has been used to make the PDF comprehensive.
4. Going through all the formulas at once can make you overwhelmed. Therefore, our experts have separated the CBSE class 8 maths formulas chapter-wise​.
5. In addition to the formulas, you get to learn about the important parts of class 8 maths formulas, too, because our maths experts have broken them down into short notes.

Chapter Wise CBSE Class 8 Maths Formulas in PDF

This section covers a short brief of the Class 8 math formula, all chapters​ available in your Class 8 NCERT textbook.

Rational Numbers Class 8 Formulas

The chapter Rational Numbers helps you learn about properties like closure, commutativity, associativity, and distributivity under addition and multiplication. By definition, the Rational numbers are numbers that can be expressed in a p/q form, where p and 

q are integers and q equals not 0. The maths formulas for class 8 PDF will help you access the crucial formulas for this chapter; here are some of them.

Linear Equations in One Variable Class 8 Formulas

The definition says, a linear equation in one variable is an equation of the form 𝑎𝑥 + 𝑏 = 𝑐, where 𝑥 is the unknown variable, and a, b, c are constants. Such equations can have one unique solution. Throughout this chapter, you are going to use the below given formula.

Understanding Quadrilaterals Class 8 Formulas

A quadrilateral is a four sided closed shape having four angles. The sum of all those interior four angles are always 360∘. There are some special quadrilaterals — parallelograms, rectangles, rhombuses, and squares; each of these quadrilaterals have unique properties you will learn in this chapter.

Practical Geometry Class 8 Formulas

There isn't any particular formula in this chapter, but some geometric properties and rules to follow to construct geometric shapes using a ruler, compass, and protractor. You will be asked to construct geometric shapes when measurements of sides, angles, or diagonals are given.

Data Handling Class 8 Formulas

The process of collecting, organizing, and interpreting numerical information is known as Data Handling. This is one of the most crucial skills that a data analyst uses. This lesson teaches you about mean, median, and mode, as well as the methods to represent data through graphs and charts. Probability, which you will study in more detail, is part of data handling. Go through the CBSE class 8 maths formulas PDF to learn about Data Handling class 8 formulas in detail; meanwhile, check some of the most important formulas in the table below.

Square and Square Roots Class 8 Formulas

With the help of our maths formulas for class 8 PDF, you learn the basic definition of square and square roots. Additionally, how to find the square of a number easily, how to find square root, and some important points to remember for the topic Square and Square roots. 

Definition: 

• Square — The square of a number is the result of multiplying the number by itself (𝑛2). 
• Square Root — The square root of a number is the value thatgives the original number , when multiplied by itself.

Cube and Cube Roots Class 8 Formulas

Referring to maths formulas for class 8 chapter Cube and Cube Roots assist you to learn finding cube roots using factorisation or estimation methods. Additionally, there are a few important points you will find in the PDFs are — There are only ten perfect cubes from 1 to 1000 and only four perfect cubes from 1 to 100. The Cube is represented like this n3 and Cube root .

Comparing Quantities Class 8 Formulas

Percentages, ratios, and proportions are used to compare values. Throughout the comparing quantities, you get to learn about these concepts: profit and loss, discount, and simple and compound interest. The formulas to get you started with comparing quantities are mentioned below.

Algebraic Expressions and Identities Class 8 Formulas

Here is a standard algebraic formula (a + b)2 = a2 + 2ab + b2 that simplifies calculations. Meaning the algebraic expressions are mathematical phrases that contain numbers, variables, and operations. Using the algebraic methods expressions can be added, subtracted, multiplied, and factorised. Learn more about this by using the formulas and solving the related questions.

Visualising Solid Shapes Class 8 Formulas

By nature, solid shapes are three-dimensional and have faces, edges, and vertices that define their structure. For example, cubes, cuboids, cylinders, cones, and spheres are solid shapes, but these can be represented using 2D views like top, front, and side projections.

Mensuration Class 8 Formulas

Throughout the lesson Mensuration, you will deal with measuring the area, volume, and surface area of 2D and 3D shapes. The important formulas for dealing with mensuration questions are mentioned in the table below. Refer to the maths formulas for class 8 PDF to explore more formulas.

Exponents and Powers Class 8 Formulas

The Exponents and Powers are one of the efficient methods to express very large or very small numbers. Here’s how exponents represent, an means a is multiplied n times. Find below the laws of exponents and use the PDF of CBSE Class 8 Maths formulas to dive deeper into class 8 exponents and power formulas.

Direct and Inverse Proportion Class 8 Formulas

Here is the standard definition of Direct and Inverse Proportion. Direct Proportion: if one quantity increases, then you will see that the other also increases. Inverse Proportion: if one quantity increases, then the other decreases by itself. This method is usually used in speed-distance-time, work, and mixture problems.

Factorisation Class 8 Formulas

Factorisation helps simplify expressions to solve equations. The factorisation method uses common factors, grouping, and identities. Here’s an example: a2 - b2  = (a−b) (a+b).

Introduction to Graphs Class 8 Formulas

CBSE Class 8 Maths Chapter 15 helps you learn the methods to represent data and equations on a Cartesian plane with an x-axis and y-axis. It introduces you to different types of graphs — line graphs, bar graphs, and pie charts.

Playing with Numbers Class 8 Formulas

The lesson 16 Playing with Numbers teaches you to find prime factors, LCM, and HCF of numbers. You get to learn about divisibility rules, number puzzles, and tricks based on properties of numbers. Refer to the maths formulas for class 8 PDF to learn about the Divisibility rules (2, 3, 5, 9, 10).

Steps to Access Maths Formulas for Class 8 Sheet on SelfStudys?

Here is the complete process which will help you in accessing our Maths formulas for class 8 sheet free of cost. You need to make sure that your device has a stable internet connection. 

• You may open any of your favorite web browsers and type www.selfstudys.com in its search space. 

• On the homepage, your first click has to be on the ‘Navigation’ tab, which will be available on the top-left corner. 

• Now, you can go through our main menu and select the ‘CBSE’ section. 

• It will further open a drop-down menu from where you need to click on the ‘Formula Class Wise’ option. 

• Soon, all the classes for which we prepare these formula sheets will appear and you can tap on the ‘Class 8’ icon. 

• Then, from the subjects, you should select ‘Mathematics’ to open the class 8 Maths formulas all chapter​.

• In the next step, you get the option to choose any chapter-wise CBSE class 8 Maths formulas PDF.

• At last, you can save the chosen Maths formulas for class 8 PDF download​ for free. 

Note: A Google Log In or Sign Up is required on SelfStudys for the free download of the CBSE class 8 Maths formulas chapter wise​ PDF. 

How to Perform Better in Class 8 Maths?

Maths is all about practice. The more you solve, the better you get. Therefore, practice should be prioritised regularly to see improvements. However, here are some key tips for you to perform better in class 8 maths. Ensure you use these tips during your learning journey:

1. Understand the formulas you're studying, and solve real-life problems to see how concepts apply in daily situations. Never try to memorise; it's never going to work for you until you understand the why behind the formulas.
2. Use maths formulas for class 8 chapter wise PDF to revise daily. You can also study the CBSE revision notes along with the formulas. 
3. Master basic arithmetic such as fractions, percentages, square roots, and algebraic calculations to improve speed and practice quick calculations using mental math tricks.
4. Avoiding the NCERT Maths textbook is non-negotiable during practice; you have to solve its questions but leverage the practice questions available in RD Sharma, RS Aggarwal, or online worksheets.
5. Don’t hesitate to ask your teacher or friends to help you understand a concept, formula or question. You can leverage YouTube videos and search engines, but take help from a teacher for better clarity.

Conclusion

Leverage Maths formulas for class 8 chapter-wise PDF to access the detailed formulas list and important notes. Referring to the class 8 math formula all chapter​ PDF enables you to revise quickly, solve questions efficiently, and score above 90 marks when used strategically. All you need to do is use the math formulas for class 8 pdf download​ links to access the files offline and use them regularly.