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:

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.