ICSE Selina Solutions for Class 9 Maths is very important as Class 9 is a critical and decisive year in a student’s life, which is why much focus is directed towards learning concepts and understanding the basics. This would prove to build a stronger foundation for students for the next academic year. One of the most critical requirements to achieve this is to have access to a reliable and resourceful tool that provides a clear understanding of topics covered in the textbook, making learning hassle-free. Students are advised to solve the textbook problems using the ICSE Class 9 Maths Selina Solutions to score well in the exam. **Selina Maths Solution** envisions to equip students with a ‘learning at a glance experience’.

Below we have provided chapter wise Selina Solutions for ICSE Class 9 Maths which can be downloaded in PDF format so that students can use it for future reference.

## Listed below are the chapterwise Selina Mathematics Class 9th Solutions ICSE

Worksheets, previous year question papers and model papers are also available which can be easily accessed by the students to score well in the exams. Regular practice of model papers and question papers helps students to understand the exam pattern and types of questions that would arise in the annual exam.

**Selina Solutions Concise Mathematics For Class 9**

The ICSE Selina Solutions PDF files can be used by the students to master the concepts which are discussed under each chapter. Referring to the PDF while solving the textbook problems mainly improves logical and analytical thinking abilities among students.

**Chapter 1 – Rational and Irrational Numbers**

Numbers are the basics in Mathematics. In earlier classes, students would have learnt about natural numbers, whole numbers and integers etc. This chapter mainly helps students to understand different sets of numbers, rational and irrational numbers. Read and practice the exercise wise solutions to know more about the concepts effectively.

**Chapter 2 – Compound Interest [Without Using Formula]**

Chapter 2 of Class 9 helps students understand the interest and methods of calculating simple and compound interest without using formula. Interest is calculated on the original principal throughout the loan period, irrespective of the length of period for which it is borrowed. Similarly, compound interest is the difference between the final amount and the original price.

**Chapter 3 – Compound Interest [Using Formula]**

This chapter is continuation of Chapter 2. Previously, students were taught to calculate the compound interest without using formula. This calculation becomes more complicated as the number of conversion periods increases. To make it easier, certain formulas are used. Download the solutions PDF and practice on a regular basis to perform well in the annual exam.

**Chapter 4 – Expansions**

In Chapter 4 of Class 9, students understand the process in which the contents of brackets are evaluated. It helps students to recollect the identities which were taught in the earlier classes. We know that an identity is an equation that is true for all values of its variables. For more knowledge, students can refer to the solutions PDF which are available in the BYJU’S website.

**Chapter 5 – Factorisation**

This chapter mainly deals with the concept of factorisation. When a polynomial is expressed as the product of two or more expressions, each of them is called a factor of polynomial. Students can learn the process of writing an expression in the form of terms or products multiplied together known as factorisation.

**Chapter 6 – Simultaneous Equations**

ax + by + c = 0 is a linear equation in which a, b and c are constants and x and y are variables. Students can obtain an in-depth knowledge about the important concepts covered in this chapter with the help of solutions PDF. By regular practice of the exercise wise problems, students can understand the types of questions that would arise in the annual exam.

**Chapter 7 – Indices**

The concept of Indices [Exponents] are explained in understandable language to make it easier for the students while learning. The solutions are designed by highly knowledgeable subject matter experts at BYJU’S to help students score well in the Class 9 exams. The PDF can be referred both online and offline without any time constraints.

**Chapter 8 – Logarithms**

Here, students can understand the method of calculating using logarithm. Logarithms are mainly used to make complex calculations simple. This concept is related to Indices [Exponents] which was covered in the previous chapter. Students are advised to solve the textbook problems by using the solutions PDF to get a grip on the important concepts effortlessly.

**Chapter 9 – Triangles**

Chapter 9 of Selina Solutions deals with triangles. A triangle is a plane figure which is bounded by three straight line segments. Triangles contain three sides and three vertices. This chapter also discusses various terms like centroid, median, orthocentre, altitude etc. which are important from the exam perspective.

**Chapter 10 – Isosceles Triangles**

A triangle with at least two equal sides is called an isosceles triangle. We also know that an isosceles triangle has two sides and two angles equal. Chapter 10 provides the students with an overview of different properties and problems related to isosceles triangles. Students are recommended to download and refer to the solutions PDF while solving the textbook problems to understand the concepts easily.

**Chapter 11 – Inequalities**

The topic of inequalities related to triangles are explained in this chapter. Students mainly learn about the properties and problems related to the isosceles triangles. These concepts are explained in a simple language to help students score well in the annual exam, irrespective of their intelligence quotient.

**Chapter 12 – Midpoint and Its Converse**

This chapter is a continuation of Chapter 10 and 11. In this chapter, students understand the mid-point theorem, its converse and the intercept theorem which are important from the exam point of view. Students can download the solutions and refer to them while solving the problems of the Selina textbook.

**Chapter 13 – Pythagoras Theorem**

Pythagoras Theorem is explained in understandable language to help students perform well in the annual exam. This chapter helps students to understand the simple applications of Pythagoras theorem and its converse. Study the Chapter 13 of Selina Solutions for Class 9 Maths to understand the concept more thoroughly.

**Chapter 14 – Rectilinear Figures**

In Chapter 14, students grasp the concept of rectilinear figures or quadrilaterals as per the latest ICSE syllabus. This chapter explains the various properties and theorems related to quadrilaterals like parallelogram, square, rectangle and trapezium etc. To understand the concepts effectively, students can download the solutions PDF while solving the textbook problems.

**Chapter 15 – Construction of Polygons**

Students learn about the steps to be followed in the construction of polygons under this chapter. The construction is explained in a simple language to help students perform well in the Class 9 exams. The solutions contain step wise explanations to make it easier for the students to understand the topics without any difficulty.

**Chapter 16 – Area Theorems**

This chapter deals with the area theorems which are based on the latest ICSE syllabus and guidelines. We know that the area of a plane is the region bounded by the plane figure. Chapter 16 helps students to understand the different theorems related to areas of polygons. Students can access the Selina Solutions Concise Maths Class 9 Chapter 16 PDF from the BYJU’S website.

**Chapter 17 – Circle**

In this chapter, students will mainly understand the concept of Circles. A figure obtained by joining all those points in a plane which are at the same fixed distance from a fixed point in the same plane is called a circle. The solutions PDF contains these concepts and important terms explained in a simple and understandable language to help students perform well in the annual exam.

**Chapter 18 – Statistics**

The process of collection, organisation, presentation, summarization and analysis of the given set of data and the conclusion we obtain from it is called statistics. The important concepts are explained by the subject matter experts at BYJU’S to boost the conceptual knowledge among students. The PDF of solutions can be downloaded and used to understand the various methods of solving complex problems effortlessly.

**Chapter 19 – Mean and Median**

Here, students are taught about the mean and median of the given data and the steps to be followed in calculating them. The solutions for the textbook problems are created based on the latest syllabus of ICSE. Students are advised to refer to the PDF while solving the problems, analyse their areas of weakness and work on them for a better score.

**Chapter 20 – Area and Perimeter of Plane Figures**

The area of a plane figure is the measure of the surface enclosed by its boundary. Similarly, the perimeter of a plane figure is the length of its boundary. The chapter 20 of class 9 provides students with an overview of the area and perimeter of plane figures. For more information about the chapter, students are recommended to download the solutions PDF and refer to them while solving the exercise wise problems.

**Chapter 21 – Solids**

A solid is anything which occupies space and has a definite shape. The space which is occupied by the solid is called its volume. The sum of the areas of all the surfaces of the solid is called its surface area or total surface area. Students having doubts in solving problems can download the solutions PDF to grasp the complex concepts without any difficulty.

**Chapter 22 – Trigonometrical Ratios**

The ratio between the lengths of a pair of two sides of a right angled triangle is called a trigonometrical ratio. Sine, cosine, tangent, cotangent, secant and cosecant are the six trigonometrical ratios given by the three sides of a right angled triangle. Students can make use of Selina Solutions Concise Mathematics Class 9 Chapter 22 Trigonometrical Ratios PDF to know more about the concepts clearly.

**Chapter 23 – Trigonometrical Ratios of Standard Angles**

The evaluation of an expression involving trigonometric ratios and problems related to it are explained in brief under this chapter. Students who wish to score well in the class 9 exams should first have a clear knowledge about the important concepts. The solutions created by the experts are completely based on the latest syllabus and guidelines of ICSE. Students can refer to the solutions PDF either online or offline without any time constraints.

**Chapter 24 – Solutions of Right Triangles**

The chapter 24 of Selina Solutions Class 9 helps students to find the values of remaining sides and remaining angles, when two sides of a triangle are given or when one side and one acute angle are given. This chapter provides students with an overview of various problems related to solutions of right angles. Learn more about Chapter 24 of Selina Solutions by downloading the PDF which are designed by highly experienced subject experts at BYJU’S.

**Chapter 25 – Complementary Angles**

This chapter helps students to understand the different trigonometric ratios and the evaluation of different trigonometric expressions. Students can also gain knowledge about the concept of trigonometric ratios of complementary angles along with their applications in daily life. By solving the textbook problems using the solutions PDF, students can get a better idea about the concepts covered in this chapter.

**Chapter 26 – Coordinate Geometry**

The branch of Mathematics that deals with problems related to relative position of figures, size, shape and the properties of space is known as geometry. The branch of geometry that deals with the position of points on a plane defined by coordinates are known as coordinate geometry. Students can refer to the PDF of solutions while learning the concepts from the textbook to score well in the Class 9 annual exam.

**Chapter 27 – Graphical Solution**

Graphical Solution is the solution is the solution which is obtained from the intersecting point of the lines. In the solutions PDF, students are taught to solve the problems related to graphical solutions as per the latest Selina textbook designed by the ICSE. For a clear idea about the important concepts, students can download the PDF and refer to them while solving the problems from the prescribed textbook.

**Chapter 28 – Distance Formula**

Chapter 28 of Selina Solutions Class 9 has one exercise and the solutions provided here has answers to all the problems present in the textbook. Distance Formula is the main concept which is explained in brief under this chapter. The method of solving the given set of problems using the distance formula is explained in a simple and understandable language to help students irrespective of their intellectual ability.

### How are Concise Mathematics Class 9 ICSE Selina Solutions Helpful for the Exams?

We at BYJU’S aim to deliver downloadable PDF files of Selina Class 9 Maths solutions to help students prepare effectively for their upcoming board exam. By referring to the Selina Mathematics Class 9th solutions, ICSE students can understand the solving process easily. It will help them to memorize the process for the long run. The Selina Mathematics Class 9th solutions ICSE focus on giving the students the correct process to solve all types of questions asked in the exam. Students should solve ICSE Selina Solution of Maths Class 9 regularly to avoid mistakes while solving final question paper.

The use of comprehensible language and terminologies for complex concepts lessens the strain on students. Selina Class 9 Maths Solutions have been framed by the experts instilling these points. This allows students to prepare and perform exceedingly well at the examinations. ICSE Selina Solutions for Class 9 provides solutions to all the 28 chapters covered in the textbook. The chapters provided in the textbook are quite lengthy, and every concept is explained elaborately, hence studying from a textbook can be challenging. Selina Class 9 Maths Solutions showcased in the given resource covers all the necessary aspects of the ICSE Class 9 Maths.

Selina Maths Class 9 Solutions covers all the important theorems and formulas with detailed explanations to promote a better conceptual understanding in students. To facilitate smooth and easy understanding of concepts the Selina Solutions Class 9 have a detailed step-by-step explanation to problems given in the textbook. Concise Selina Solutions for ICSE Class 9 Maths are prepared as per the ICSE Class 9 Maths Syllabus.

## Key Features Of Maths Selina Solutions Class 9

Listed below are the salient features of Selina ICSE Solutions for Class 9 Maths

- The Maths Selina Solution Class 9 are student-friendly, explained in an easy to understand language.
- The questions are solved using tables, wherever required.
- The solution of Selina Maths Class 9 are solved with relatable diagrams, wherever necessary.
- The Selina Concise Mathematics Class 9 Solutions to all chapters have been solved where concepts are aligning with textbook.
- Students can effectively prepare for the examination with Concise Mathematics Class 9 ICSE Solutions aided with detailed explanation.

Along with Selina Publishers Mathematics for Class 9 solutions, students can also access other study materials of ICSE Class 9 from BYJU’S website. The above mentioned **ICSE Maths Solution** Class 9 is the best resource while preparing for exam and students can get the best out of these solutions to fetch more marks.

***The Selina Solutions for the academic year 2021-22 will be updated soon.**