A number in mathematics is a value for measuring, counting, and labelling objects. The class 9 maths chapter 1 defines the number system, which is an important topic as the entire computer architecture, digital systems depend on the number system.

Fortunately, supplementing the CBSE pattern of studies is easy today. Several online guides offer solutions to student queries. For example, the MSVgo is an online learning app that makes learning easy through solutions mapped to the NCERT syllabus and CBSE board. A question bank of 10000+ questions, 15000+ videos, and interactive learning methods helps students learn concepts in minutes.

Topics in class 9 maths chapter 1

Numbers have several categories, like natural numbers, whole numbers, rational and irrational numbers and integers. Similarly, there are different types of number systems for performing various mathematical operations, each with specific properties.

1)  Numbers

1. Natural numbers

2. Whole numbers

3. Integers

4. Rational number

5. Irrational number

6. Real number

7. Number symbol

2)  Number System

1. Types of number systems

2. Number line

3. Decimal number system

4. Binary  number system

5. Octal number system

6. Hexadecimal number system

7. Converting decimal to binary

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

Chapter 3 of class 9 is Coordinate Geometry.

A point on a plane, known usually as a Cartesian plane or coordinate plane, can be represented through an ordered pair of real numbers. The unit of mathematics that deciphers geometrical problems using the coordinate system is called coordinate geometry.

Lessons in this chapter are –

• Introduction to coordinate geometry
• Explanation of Cartesian System
• Plotting a point on a plane based on coordinates given

Exercises of NCERT Solutions for Class 9 Chapter 3 Coordinate Geometry

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

The following Topics and Sub-Topics are covered in this chapter and are available on MSVgo:

Everything in our environment is formed of matter. For example, Wood, paper, and even humans are formed of matter. All of the stuff in our environment is not pure. It might be either pure or impure. We will attempt to figure out if the substance around us is pure or not and what methods we might use to get a pure material. To begin with, let us learn some basics of the Class 9th Science Chapter 2.

When we study chemistry, terms such as molecules, atoms, ions, and many more keep bouncing around in the air. They are significant and have very precise meanings in the world of science.

As asked in the Atoms And Molecules Class 9th NCERT chapter, do atoms and molecules have a large impact on the world around us? Do we need to know about them to improve our understanding of the science environment?

Atoms and molecules class 9 NCERT is an important topic that lays the foundation of chemistry in the years ahead. 

All of these questions with their atoms and molecules class 9th NCERT solutions will be answered in the chapter, Atoms and Molecules, the gist of which is given below.

Scientists have discovered that for the matter to be formed, we will need atoms and molecules since they are the fundamental structures of matter. But when they chose to dive deeper into this field and find out the structure of an atom and understand the properties it holds, scientists of the 19th century had to face several challenges. Over time, it was known that an atom was an indivisible and complex particle and contained other subatomic particles such as electrons, represented as 'e–' and protons as 'p+'. The electron holds a negative charge and has a negligible charge, whereas the proton has a positive charge and takes one charge. Protons lie on the atom's interior while electrons remain on the exterior and can be peeled off. Though scientists had discovered answers to certain questions, the structure of an atom and the arrangement of electrons and protons inside an atom remained. The field of atoms and the science behind structures of atoms is extremely interesting and vast for you to discover. To have regular access to fun-filled and easy to understand concepts from your books, download the MSVGo app and be an MSVGo Champ today. Prepare for your exams through the easiest self-study methods and see your performance excel with the help of an easy to use NCERT solutions app that offers 15,000+ videos and 10,000+ questions.

You have learned about cells in a previous chapter and are familiar with the importance of cells in living beings. In this chapter, Ch. 6, class 9 science, we will take the concept of cells to the next step and learn about tissues. Some of the concepts we will cover in this chapter include the following.

• What tissues are, and why we need them

• Difference between plant and animal tissues

• Types of Plant Tissues

• Types of Animal Tissues

Having understood these concepts, you will find it simple to get the NCERT Class 9 Science Chapter 6 Solutions for exercises available in the textbooks.

Biological diversity, often known as biodiversity, refers to the vast array of living forms that exist on the planet. 

As per the chapter Diversity in Living Organism class 9, diversity may be characterised and quantified at three separate levels: 

• Species diversity

• Genetic variation within a species

• Ecological variation

Humans vary in their appearance and qualities such as height, skin, etc. If we were to compare ourselves to another organism like a camel or a fish, we would find that we have many differences but also many similarities.

Chapter 8 science class 9th focuses on Motion. The components of this chapter are incredibly important to understand this topic further. The chapter Motion is designed to make you understand the concept and the various laws associated with the concept of motion. 

With questions full of activities, mathematical approaches, and calculations, you can find the most important details in chapter 8 science class 9th here.

There are often times when you might not have understood the concepts the very first time. That is why we have devised this guide to introduce you to Motion which you can find in chapter 8 in Science for Class 9th.

If you are a student of Class 9th and want to understand the chapter of Motion a little better than just theories as per textbooks, then this overview of the law of motion is going to help you understand the concept better.

Force and laws of motion is an important chapter in the class 9 NCERT syllabus that covers the most basic concepts in physics: the laws of motion and the concept of force and momentum. The solutions are provided to ensure that students can save time while studying. Students can refer to the laws of motion class 9 NCERT solutions provided by MSVGo as an overview of the content in the textbook and even use it for a quick revision before the exams. Make sure also to check out various visualisations, study material, and other resources to get a strong grasp of the subject. 

Topics covered in Chapter 9 – Force and Laws of Motion (Content Table)

1. Introduction

2. Newton's First Law of Motion

3. Newton's Second and Third Law of Motion 

4. Law of Conservation of Momentum

NCERT Solutions for Class 9 science chapter 10 Gravitation are provided here. Students can refer to them while preparing and studying the chapter. These solutions can also be beneficial while revising the content before their exams. Class 9 chapter 10 science is an essential part of physics that covers the most basic concepts of gravitation on earth and the moon. It also explains how the terms mass and weight are different.

Sound is mechanical energy that allows us to hear. The vibration of various things results in the production of sound. The sound wave propagates across the medium as compressions and rarefactions. Sound waves are waves that travel in a straight line. Before we get started, let us go over some fundamentals of chapter 12 class 9th science.

Class 9th of CBSE is important because it sets the base for all the upcoming major classes. This chapter will discuss diseases and how the human body fights them. The given NCERT solutions will test students' knowledge and help them score better. 

'Why do we fall ill?' is a fundamental chapter in the CBSE Class 9th Science syllabus. This chapter covers the causes of diseases and their treatment. It also helps learners differentiate between a healthy and a disease-free body, and focuses on students' overall well-being. Students will also learn about chronic and acute diseases, and the science behind immunization.

Get the MSVgo app to access more such solutions for improved grades in CBSE Class 9th Science.

NCERT maths class 9 ch 2

Polynomials are expressions with at least one non-zero coefficient term. There can be several terms in a polynomial. Every articulation in the polynomial is referred to as a term. If x² + 5x + 2 is a polynomial, then x², 5x, and 2 are the polynomial's terms. The polynomial contains a coefficient for each term. For example, if the polynomial is 2x + 1, then the coefficient of x is 2.

Polynomials can also be used to represent real numbers. For example, numbers with almost no factors, such as 3, 6, 7 are also polynomials. 

The degree of the polynomial in x³ + y³ + 3xy(x + y), for example, is 3. The degree of a non-zero polynomial is zero. Aside from these, there are several types of polynomials in maths class 9th chapter 2, such as -

• A direct polynomial is of degree one 
• Quadratic polynomial is of degree two 
• Cubic polynomials are of degree three

In this chapter, you will learn all about linear equations, solutions of linear equations and much more. 

The NCERT math class 9 chapter 4 covers Linear Equations in Two Variables and includes the following topics:

• Introduction to Linear Equations
• Graph of a Linear Equation In Two Variables
• Equations of Lines Parallel to the x-axis and y-axis 
• Exercises and Solutions of a Linear Equation

This chapter is about the primary Geometrical concepts that focus on the properties of the angles constructed when two lines bisect with each other, and when a line bisects two or more parallel lines at distinct points. Therefore, in chapter 6, you will learn about lines & angles, and their relationship.

You must be thinking that you know what lines are, but here you will learn additionally about its different angles. They are used in different fields, for instance, architecture; where they are used to create a structural design, or find its height etc. As such, studying this chapter will prove helpful in the long run.

Don't worry; you need not just read books to understand it, you can also play maths games and learn about lines and angles in a fun way. Wondering how? All you need to do is download the MVSgo app to understand every concept easily and quickly because of its streamlined structure.

Maths has several chapters that hold utmost significance, like Simplification, Number System, Ratio & Proportion, Profit & Loss, Maths Average Topic Notes, Power Indices, and many other aspects. 

The word triangle is self-descriptive, the word 'tri' means three, and 'angle' is the intersection of 2 lines. So, it can be stated that a triangle is a plane figure with three straight sides and three angles. As simple as that! For Class 9th maths chapter 7, you will learn everything about triangles, starting from their types, properties, and inequalities.

NCERT solutions for class 9 maths chapter 7 also deal with various essential theorems, formulas and crucial questions related to triangles. This chapter will further brief the students about the congruence of triangles and the rules of congruence. 

At msvgo, we understand that mathematical knowledge plays a vital role in understanding the concepts of other subjects such as social studies, science and even art. Students can download the Class 9th chapter 7 maths content solved by proficient teachers from msvgo and quickly learn the concepts related to chapter 7 maths class 9. We consistently help students build their discipline and enhance their mental rigour and logical reasoning.

Topics covered in this chapter 7 class 9th maths include: 

• Congruence of triangles
• Properties of triangle and theories related to it
• SSS and RHS congruence rules
• Concept of Inequalities in triangles

This chapter will help you understand an advanced geometric concept called Area. When trying to understand the concept of area, think of how much space is enclosed in that geometric figure. There are different formulae for different geometric figures. Explore more with Chapter 9 the areas of parallelograms and triangles.

Topics covered in Chapter 9 areas of parallelograms and triangles

Your Class 9 Maths ‘chapter 10,’ “Circles”, is an essential chapter that deals with the construction of circles and related theorems. Once you’re done studying the chapter, consider solving questions given by NCERT at the end of the chapter. You will find NCERT Solutions for Class 9 Maths, ‘Chapter 10’ - “Circles” on this page.

The answer is curated by experts at MSVgo and is written in an easy-to-understand and simplified language with 100% accuracy. Practicing these solutions can make the 9th graders exam-ready with conceptual clarity.

Heron's Formula 

Heron's formula is a significant concept covered in the CBSE Class 9 Maths syllabus in the first semester. Therefore, grasping the concept is crucial. One of the best methods to do so is to use the NCERT Solutions for Class 9 Maths Chapter 12 Heron's Formula. These answers were developed by experienced teachers based on the current CBSE term-by-term syllabus. The NCERT Solutions for Class 9 include detailed and step-by-step explanations for all of the solutions provided in this chapter's exercises.

Your Class 9 Maths Chapter 11, titled ‘Construction’, is an essential chapter that deals with the construction of triangles and angles using some basic geometrical instruments. Once you’re done studying the chapter, consider solving questions given by NCERT at the end of the chapter. 

The answers given are curated by experts at MSVGo and are written in an easy-to-understand and simplified language with 100% accuracy. Practicing these solutions can make you exam-ready in no time.