CBSE Math Class 10 (Follows Latest Syllabus of NCERT)

Gain an understanding of an important concept in number theory- The Euclid's Division Lemma and learn its application in finding out The Highest Common Factor (HCF).
This video covers the following topics in less than 10 minutes:
1) Factors
2) Divisors
3) Highest Common Factor / Greatest Common Divisor
4) Method of Finding HCF
6) Euclid's Division Lemma
7) Euclid's Division Algorithm.
So, Understand the core concept and learn its logical application.

Any number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q is called Rational Number.

But can this be written in decimal form? Watch this session to know how a fraction can be converted into a decimal form. The concept is explained stepwise in an easy to understand manner by in 10 minutes.

Least Common Multiple (LCM) is the smallest number which is exactly divisible by all the given numbers.

But how do we find the LCM of any given number? Get step wise explanation on how to find LCM by Prime Factorization Method in less than 10 minutes.

Irrational Numbers are any numbers which cannot be written as a fraction.

Watch this session to learn: 1)Few properties of Irrational Numbers 2)Examples of Irrational Numbers 3)How to proove  √2 is an irrational number. All the concepts are explained in a logical and easy manner in 13minutes.

This is a Quiz video that will test your knowledge on the topic and help you understanding the concept in depth.

Watch this introductory session on Polynomials and learn the following sub-topics in 8 minutes :

1) Definition 2) Application 3) Components 4) Degree of Polynomials 5) Types of Polynomials 6) What does not make a polynomial? These basics will help to understand the further concepts better.

Zeros of polynomial is nothing but the root or we can say tha value of 'x'  that makes the polynomial equal to zero.

In just 7minutes learn: 1) The various Types of Polynomials(Linear, Quadratic, Cubic etc) 2) Co-efficient of polynomials 3) Zeros of a Polynomial 4) Relation between zero and coefficient.

There exixts a relation between the zeros and coefficient of polynomials which is explained considering an example of Quadratic Polynomial.

This session covers the following topics in less than 8 minutes : 1. Sum of zeroes, 2. Product of zeroes, 3. Sum of product of zeroes & 4. How to solve them  Only by knowing the roots you will also be able to find the eqaution of a polynomial.

We have learnt how to express polynomials algebraically, but can it be expressed geometrically?

Watch this 10 minutes session and learn how to represent polynomials (Linear. Quadratic and Cubic) graphically. Also learn how to identify different graphs based on their shapes.

Polynomial Long Division is an algorithm for dividing a polynomial with another polynomial of the same or lower degree.

This session covers: 1- Dividing two numbers 2- Division Algorithm 3- Dividing Polynomials Each topic is explained in a simple,logical and easy to remember manner in less than 10 minutes.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. Such an equation can be represented graphically as a straight line. But when a pair of linear equation is given then there are three possibilities that can happen graphically. This session not only gives an overview of linear equations but also specifically addresses the possibility where two lines intersect at one point. Following are the points that are covered in this session: 

1. Variables
2. Equations
3. Linear Equation
4. Graph of Linear Equation
5. Pair of Linear Equation
6. Graph of Pair of Linear Equation
7. Graphical Method
8. Intersecting Lines

Revise your knowledge with this test

This short session will help you to understand problem on intersecting lines & solve them logically in an easy manner.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. Such an equation can be represented graphically as a straight line. But when a pair of linear equation is given then there are three possibilities that can happen graphically. This session specifically addresses the possibility where two lines are coincident.

This short session will help you to understand problem on coincident lines & solve them logically in an easy manner.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. Such an equation can be represented graphically as a straight line. But when a pair of linear equation is given then there are three possibilities that can happen graphically. This session specifically addresses the possibility where two lines are parallel.

This short session will help you to understand problem on parallel lines & solve them logically in an easy manner.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. While these can be solved 'graphically', however, there are cases when coordinates of points representing the solution are non-integral. In order to avoid mistakes while reading such coordinates, an alternative 'algebraic' method is used. This session specifically addresses the 'elimination method' wherein equation is solved by eliminating one of the two variables.

This short session will help you to solve problem based on linear equation by using 'elimination method' very easily.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. While these can be solved 'graphically', however, there are cases when coordinates of points representing the solution are non-integral. In order to avoid mistakes while reading such coordinates, an alternative 'algebraic' method is used. This session specifically addresses the 'substitution method' wherein equation is solved by substituting one variable with another.

This short session will help you to solve problem based on linear equation by using 'substitution method' very easily.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. While these can be solved 'graphically', however, there are cases when coordinates of points representing the solution are non-integral. In order to avoid mistakes while reading such coordinates, an alternative 'algebraic' method is used. This session specifically addresses the 'cross-multiplication method' and some tricks to remember the steps of this method.

This short session will help you to solve problem based on linear equation by using 'cross-multiplication method' very easily.

'Linear equation in two variables' means an equation which has two variables (like x & y) with power 1. This session discusses the solution of such pairs of equation which are not linear but can be reduced to linear form by making some appropriate substitutions. Also, a recap of the whole session is given in the end which will help you remember the method in a proper way.

This short session will help you to solve problem based on linear equation by using 'variable reducible method' very easily.

This session will help you to understand the behaviour of lines on the basis of when they intersects, overlaps or remains parallel to each other. On the basis of which decide whether two equations has unique solution, many solutions or no solution. This also known as consistency of linear equations.

Watch this video and learn to solve various questions in just 25 minutes.

Revision Session

A Polynomial with its highest power 2 is called a quadratic equation. Every Qauadratic equation has two roots and there are several methods to find them.

 In this session we will deal with solving quadratic equation by Factorization method.  In 11 minutes learn in detail about:  1) Quadratic Equation  2) General Form  3) Solving Quadratic Equation  4) Factorization Method.  Each topic is explained in a simple logical manner.

Completing the square is a method to solve quadratic eqaution and is especially used when factorising a quadratic equation becomes difficult.

 So watch this 10 minutes session which explains:  - completing the square method  - Trick that can be applied to make this easy.

Quadratic formula is the most convinient method to find roots of a quadratic polynomial and this formula is an extension of completing the square method.

 Watch this session of 10 minutes and learn in detail about:  1) Quadratic Formula  2) Application of Quadratic Formula  3) Benefits of Quadratic Formula  4) Derivation of Quadratic Formula  Understand the basic concept and learn its logical application.

Arithmetic Progression is any sequence of numbers which follow a fixed pattern. In this introductory video, learn: 
-- The various Terminologies of an A.P. 
-- How to find the 'n th' term of an A.P. 
-- Sum of first n terms
 This basic video (duration-13 minutes) which is explained taking real life example will help you understand the further concepts in a better way.

Arithmetic progression Problem Solving based on Tn.
In a given A.P. is it possible to find any term of that sequence without having to go from one term to the next?
Yes, we have a formula for calculating Tn.
Watch this session (Video Duration- 8 minutes) on A.P. Problem Solving where you will study the application of this formula through various numerical and word problems.

Arithmetic progression Problem Solving based on Sn.
Given a sequence of numbers, is it possible to find the sum of all terms without actually adding each term?
In A.P. we have a simple formula to calculate the sum (Sn). Watch this Problem Solving video where you will study the application of the formula through various numerical and word problems.

Arithmetic progression Problem Solving with mixed questions.
We have seen all the various terms associated with A.P.
Its time to solve a few problems based on this knowledge. The topics covered are:
-- the number of terms
-- Finding Common Difference
-- Finding n th term (Tn)
-- Sum of all terms (Sn)
This application based session is covered in less than 10 minutes.

Arithmetic progression Activity

We identify a given sequence as an A.P. by checking whether the common difference is constant. But there is another way of doing it. Watch our short activity based video which will help you find whether a given sequence of numbers is an A.P. on a Graph Paper. Video Duration - 5 minutes.

Want to get a summary on the topic of Arithmetic Progression?

Watch this video which gives you amazing tricks to remember the various terminologies and formulae related to  A.P. in a simple and logical manner. You will also come across some challenging problems related to the same.

The video duration is less than 10 minutes.

A plane figure with three sides and three angles is called a triangle. In this session, we will learn the different types of triangles based on varying side lengths and angle measurements. This session will help you learn the following things:
1) Equilateral triangle
2) Isosceles triangle
3) Scalene triangle
4) Right angled triangle
After this session you can very easily tell the difference between all these above types of triangles and know the mathematics involved in it.

Did you know, two different triangles of different sizes can be similar to each other based on the ratio of their sides ? 

In this session you will learn the following: 1) Criterias for similarity 2) Scale factor 3) Congruency At the end of this session, you can also learn a trick to remember the concept of similar triangles.

In this session you will learn about two new concepts about triangles: same and similar.

In the context of triangle when two or more than two trianlges are same in terms of lengths of respective sides and angles, they are called congruent triangles.

When two or more than two triangles look similar means they share equal angles but respective sides may be same or in the same ratio, they are called similar triangles.

Watch this session and learn about the criteria for similarity and congruency of Triangles.

If the corresponding sides of a triangle is twice than that of another triangle, will the area be also doubled??

Watch this session to learn about the effects that can be seen in areas of two similar triangles. It will also help in understanding some of the basic properties of geometry.

This is an activity video on the relation between the areas of similar triangles. The concpet has been explained in an intutive way to understand it better.

So watch this session to understand the topic and its application.

Pythagoras theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. 

In this session you will learn this very imporatant theorem and learn to prove its statement with its proof in a geometric way.

Pythagoras theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. 

In this session you will learn this very imporatant theorem with the help of similar triangles and be able to prove this theorem in a completely different way. 

Pythagoras theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. 
In this session you will learn this very imporatant theorem with the help of a fun-filled activity.

Basic Proportionality Theorem is one of the important topics of a Triangle that deals with the study of the proportion of the two sides of a triangle. So watch this session and learn about the Theorem and its proof.

This is an activity video on the Principle of Basic Proportionality Theorem in an intuitive way to understand the concept easily. Watch this session and explore your knowledge on the topic.

This is a Quiz video having Multiple Choice Questions (MCQs) that helps in revising the concepts based on congruency and similarity of Triangles in a very interesting manner.

This session is dedicated introducing a branch of mathematics called 'Coordinate Geometry' that not only deals with locating a point on a two-dimensional coordinate plane but is also widely used to find distance between any two points, locating mid-point on a line segment, etc.
Following are the topics covered in this session:
1. Overview of Coordinate geometry?
2. Overview of Coordinate System
3. Understanding Coordinate Axes

This is a short session dedicated to deriving 'Distance formula' by 

Pythagorean theorem. Also, after understanding its derivation we will learn to find distance between two lines with the help of 'distance formula'.

In coordinate geometry we use distance formula to find distance between two lines. This short session is aimed at explaining steps required while approaching a mathematical problem based on distance formula. It will definitely help you build confidence before taking an exam.

This is a short session dedicated to deriving 'Section Formula' that helps us find location of point dividing a line segment in a particular ratio. Since there could be different ways of making a section on a line therefore you will also find explanations of different variations of section formula fitting each scenario.

There are numerous ways in Mathematics to find the Area of a triangle. One such method makes the use of 'Coordinate Geometry'. This session illustrates just that and also a simple trick to remember the formula easily.

Trigonometry is a branch of Mathematics that deals with the study of relationship between sides and angles of a Right Angled Triangle and Trigonometric ratios are ratios of sides of a Right Triangle known as sin, cos, tan, cot, sec and cosec.

In this session you will learn about:

1) Properties of Right angled Triangle

2) Trigonometric ratios

3) Trick to remember ratios

4) A small problem to solve 

When the sum of two angles is 90 degree they are called complementry angles. In Right angled triangle, two non-right angles complement each other as sum of their angle is 90 degree.

In this session you will learn about the relationship between the Trigonometric ratios of complementary angles and their multiple uses. So watch this session and explore the topic.

There are in total 6 trigonometric ratios for 5 standard angles (0, 30, 45, 60 and 90 degrees). so we have 30 ratios which are constant for any kind of Right angles but at times it becomes difficult ot remember all the values.

This video is purely dedicated to a trick that will help you in remembering these trigonometric ratio values.

There are in total 6 trigonometric ratios for 5 standard angles (0, 30, 45, 60 and 90) degrees. so we have 30 ratios in total which are constant for any kind of Right angles.

In this video you will learn how these ratios are derived. 

There are basically three main Trigonometric ratios, Sin, cos and Tan wehreas Cosec, Sec and Cot are the reciprocals of them respectively which are called Trigonometric Identities. Also these ratios establish some relation between them in the form an equation, so are called Trigonometric equations.

Watch this session to learn about all this through derivation and practice questions.

There are certain terms which one should be clear about before attempting for a Trigonometric Question. These terms are linked to the concept of Trigonometry like Horizontal line, Line of sight, Angle of elevation, Angle of dipression etc.

Watch this sessioon and be sure about the terminologies to make problem solving easy.

This video involves word problems and step by step solution. It will help you in many ways like understanding questions, finding the flow of the solution one by one, drawing perfect diagram according to the question etc. Overall, it will help you to interpret the question and solve it logically.

So watch this session and learn the skill of solving any kind of problem.

Clinometer is a device used to measure the angle of elevation or dipression from a distance or height of a very huge or tall object.

If you want to know or to make such device watch this session and explore the concept.

Clinometer is a device used to measure the angle of elevation or dipression from a distance or height of a very huge or tall object.

In this session, you will learn how to use a clinometer.

In examination, different types of questions having different weightage of marks are asked. In this session you will come acroos some such questions and step by step solutions which will help you in improving your problem solving skill.

This video is dedicated to an overall view on Trigonometry which includes all the parameters from the beginning of terms to Ratios, Identities, Trigonometric values table, Trick to remember the value table and all.

This will help you as a last minute revision video for Trigonometry. 

This is a Quiz video containing Multiple Choice Questions (MCQs) to help you in revising the concept and to help in avoiding some small silly mistakes. 

This is a very fun way of learning.

Circle is a collection of points at a constant distance from a point called center. Circles is an important topic in Geometry with various real life applications. Watch this session and familiarise yourself with the various terminologies associated with parts of a circle.

Which includes:

Radius, Diameter, Chord, Secant, Segment,Circumference, Tangent, Arc and Sector.

A tangent is a line which touches the circle at only one point and does not enter the circle.

Watch this session on 'tangent to a Circle' and learn in detail about the following theorems and properties of a tangent:- 1) A Tangent is always perpendicular to the radius of a circle. 2) At one point on a circle only one tangent can be drawn. 3) Only two tangents will be parallel to a given chord or a secant. 4) Only two tangents can be drawn from a common external point. 5)Two tangents drawn from a common external point to a circle are equal in length. These basic theorems on circles are explained logically in less than 10 minutes.

In this session on Areas Related to Circles- Part 1 we have explained the concept of circumference and area of a circle. 
These concept which is explained in 12 minutes will help you find the following:
1) Circumference
2) Areas related to Circles.
3) Area of a sector
4) Length of an Arc.
We have used real life examples for you to relate to the concept and understand the logic behind it.

We have been studying various teminologies, properties and theorems related to circles.

We also know the formulae to find areas of various parts of a circle. In this session we have taken few examples (word problems on circles) for you to use these basics and apply your knowledge for solving them.