Class 9 – Master List

Click a link to watch the tutorial

Class 9 - NCERT

Chapter 1 – Number system

All Mathemafia YouTube videos of Class 9 chapter 1 (Number System) are embedded on this webpage. You can watch all these videos right here in the same order as they appear in the NCERT textbook. Number system is the base of Mathematics and it is very important for students to have very good knowledge of it. In the first introductory video, Number System has been explained in detail with very easy to understand examples. you are advised to must watch the introductory video before watching any of the chapter’s example or question. Here is the list of all solved video tutorials of this chapter at one place – Examples, concepts, exercises, theorems | Class 9 Chapter 1, Number System.

This playlist covers all questions, concepts and examples of chapter 1 (Number System) of class 9, NCERT textbook. You may watch all these tutorials on YouTube by clicking the link displayed below or click a thumbnail to watch the tutorials on this webpage.
Watch complete chapter on YouTube
English Version – Number System

The introductory video to understand the Number System has been created in English as well. You may watch this version in case you struggle to understand Hinglish.

Class 9 Chapter 2 | Polynomials
​

Concepts

Number System – Must watch

Rational and Irrational numbers

Exercise 1.1

Question 1

Question 2

Question 3

Question 4

Exercise 1.2

Question 1

Question 2

Question 3 & 4

Exercise 1.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7 & 8

Question 9

Exercise 1.4

Question 1 & 2

Exercise 1.5

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 1.6

Question 1

Question 2 & 3

Examples

Example 1 & 2

Example 3 & 4

Example 5 & 6

Example 7, 8 & 9

Example 10

Example 11

Examples

Example 12, 13, 14, 15

Example 16

Example 17

Example 18, 19, 20

Example 21

Chapter 2 – Polynomials

Here you will find complete solution of all questions, concepts, theorems and examples of class 9 chapter 2 (Polynomials) of class 9, NCERT textbook.

There are few very important concepts that students must learn to get a good understanding of polynomials:

All above mentioned tutorials are included in the list displayed below for class 9 chapter 2 (Polynomials). You are strongly advised to watch all these videos thoroughly and do not miss any of these if you really want to get good hold on polynomials.

Click a thumbnail to watch the tutorial.

Watch complete chapter on YouTube
Class 9 Chapter 3 | Coordinate Geometry
SHARING IS CARING. 😎  If you really like these videos, please share these with your friends and classmates. I have created these videos with a lot of efforts and are absolutely free for everyone. I alone cannot reach out to every student but you can help a lot. 🙏 🙏 🙏  I will really appreciate if you share it with someone. You can use WhatsApp, SnapChat, Twitter, Facebook, Messenger or any other social platform from the icons displayed below. Keep watching and sharing Mathemafia!!! 😎  Cheers!!!
​

Theorems / Concepts

Basics of polynomials

Remainder theorem

Factor theorem

Factorise – Splitting the middle term

Algebraic Identities

Exercise 2.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.2

Question 1

Question 2

Question 3

Question 4

Exercise 2.3

Question 1

Question 2

Question 3

Exercise 2.4

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 2.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Exercise 2.5

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Example 20

Examples

Example 21

Example 22

Example 23

Example 24

Example 25

Good to learn

Rational root theorem

Synthetic division – Part 1

Synthetic division – Part 2

Chapter 3 – Coordinate Geometry

This playlist covers all the questions, concepts, theorems and examples of chapter 3 (Coordinate Geometry) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Concepts

Must watch – Concepts 

Coordinate Geometry – Introduction

What is coordinate plane

x-coord = Perpendicular distance from y-axiz

Exercise 3.1

Question 1

Question 2

Exercise 3.2

Question 1 & 2

Exercise 3.3

Question 1 & 2

Examples

Activity 1

Question 1 & 2

Question 3 & 4

Chapter 4 – Linear equations in two variables

Concepts

Must watch =>  Linear Equations – Introduction

This playlist covers all the questions, concepts, theorems and examples of chapter 4 (Linear Equations in Two Variables) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Exercise 4.1

Question 1

Question 2

Exercise 4.2

Question 1

Question 2

Question 3 & 4

Exercise 4.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 4.4

Question 1 & 2

Examples

Example 1 & 2

Example 3 & 4

Example 5

Example 6

Example 7

Example 8

Example 9

Chapter 6 – Lines and Angles

Mathemafia Logo - 75 px=> Axioms – Lines and Angles

This playlist covers all the questions, concepts, theorems and examples of chapter 6 (Lines and Angles) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Theorems

Theorem 6.1

Theorem 6.2

Theorem 6.3

Theorem 6.4

Theorem 6.5

Theorem 6.6

Theorem 6.7

Theorem 6.8

Exercise 6.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Exercise 6.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Exercise 6.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Chapter 7 – Triangles

This playlist covers all the questions, concepts, theorems and examples of chapter 7 (Triangles) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Theorems

Theorem 7.1

Theorem 7.2

Theorem 7.3

Theorem 7.4

Theorem 7.5

Theorem 7.6

Theorem 7.7

Theorem 7.8

Exercise 7.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 7.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 7.3

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 7.4

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Chapter 8 – Quadrilaterals

This playlist covers all the questions, concepts, theorems and examples of chapter 8 (Quadrilaterals) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Theorems

Theorem 8.1

Theorem 8.2

Theorem 8.3

Theorem 8.4

Theorem 8.5

Theorem 8.6

Theorem 8.7

Theorem 8.8

Theorem 8.9

Theorem 8.10

Exercise 8.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Exercise 8.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

 

Chapter 10 – Circles

​

Theorems

Theorem 10.1

Theorem 10.2

Theorem 10.3

Theorem 10.4

Theorem 10.5

Theorem 10.6

Theorem 10.7

Theorem 10.8

Theorem 10.9

Theorem 10.10

Theorem 10.11

Theorem 10.12

Exercise 10.1

Question 1 & 2

Exercise 10.2

Question 1

Question 2

Exercise 10.3

Question 1

Question 2

Question 3

Exercise 10.4

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Exercise 10.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Chapter 11 – Constructions

This playlist covers all the questions, concepts, theorems and examples of chapter 11 (Constructions) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Constructions

Construction 11.1

Construction 11.2

Construction 11.3

Construction 11.4

Construction 11.5

Construction 11.6

Exercise 11.1

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 11.2

Question 1

Question 2

Question 3

Question 4

Question 5

Examples

Example 1

Chapter 12 – Heron’s Formula

​

Exercise 12.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Exercise 12.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Concepts

Derivation of Heron’s formula

 

Chapter 13 – Surface areas and Volumes

​

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Examples

Example 11

Example 12

Example 13

Example 14

Example 15

Example 16

Example 17

Example 18

Example 19

Exercise 13.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 13.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Exercise 13.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 13.4

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Exercise 13.5

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Exercise 13.6

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 13.7

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Exercise 13.8

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Concepts

Chapter 14 – Statistics

Mathemafia Logo - 75 px=>  Introduction to Statistics – Must watch tutorial  

​

Exercise 14.1

Question 1 & 2

Mathemafia Logo - 75 px=>  Bar Graph, Histogram, Frequency Polygon in Statistics  

Mathemafia Logo - 75 px=>  Measures of Central Tendency  

Examples

Example 1 & 2

Example 3 & 4

Example 5 & 6

Example 7

Example 8

Example 9

Example 10 & 11

Example 12 & 13

Example 14 & 15

Exercise 14.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Exercise 14.3

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Exercise 14.4

Question 1 & 2

Question 3 & 4

Question 5 & 6

Mathemafia Logo - 75 px=>  Statistics quiz – Class 9  

Chapter 15 – Probability

Mathemafia Logo - 75 px=>  Introduction to probability – Must watch tutorial  

This playlist covers all the questions, concepts, theorems and examples of chapter 15 (Probability) of class 9, NCERT textbook. Every question, concept or example has been explained in a very creative manner and in layman’s language so that every student can quick grab the underlying concept. Click a thumbnail to watch the tutorial. 

You are recommended to watch the introductory video before watching any of the questions or examples. In the introductory tutorial, 🎥. you will understand with the concept of probability with real life examples in detail.  Also explained are the definitions of terms like trials, outcomes, Events, Dependent and Independent events, Equally Likely Outcomes, favourable outcomes, Total possible outcomes in very easy ways with relevant examples. 🎲  🎲. 🎲

Watch complete chapter on YouTube

If you have good knowledge about class 9 Chapter 15 probability and If you feel confidant of if you are a mathematics lover, you can watch class 10 probability chapter as well. Believe me, it is not hard at all. You will be able to learn class 10 probability within an hour by watching the video tutorials created by Mathemafia. Click the following link to watch the class 10 probability chapter playlist.

Class 10 | Chapter 15 | Probability

You may also test your knowledge about the concepts of probability (Class 9 level) by attempting the following quiz. If you score really good in this quiz, then you can definitely go for the next level – Class 10 – Probability (link shared above). 

These “Class 9 Chapter 15 Probability” tutorials can help your friends and classmates a lot. Be a sport and share this with someone you care about. You have multiple options to share this page with someone by selecting any of the following social media. I would recommend to use WhatsApp, SnapChat, Twitter, Facebook and Messenger because these are most popular among students and young people. Keep watching and sharing Mathemafia!!! 😎  Cheers!!! 

​

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Example 10

Exercise 15.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13