# CBSE Class 8 Maths Videos

## Rational Numbers

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### Representation on Number Line

Representing rational numbers with 2,3,4,5 and 7 as denominator on number l... -
### Introduction to Rational Numbers

Evolution of rational numbers,difference between fraction and rational numb... -
### Rational no between rational numbers

Finding rational numbers between two given rational numbers using LCM and a... -
### Multiplication and Division of Rational Numbers

Multiplication and division of a rational number by whole number, multipl... -
### Addition and Subtraction of Rational Numbers

Addition and subtraction of like and unlike fraction, basic problems on a...

## Linear Equations in One Variable

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### Solving Linear Equations

Systematic and transposition method of solving linear equations in one vari... -
### Application of linear equations

Solution of word problems on numbers, digits and fractions

## Understanding Quadrilaterals

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### Quadrilaterals

Definition, elements, angle sum property, classification of quadrilaterals -
### Properties of parallelograms

Side,angle and diagonal relations of parallelograms. Types of parallelogram... -
### Polygons and their Classification

Polygons, their classification as regular/irregular, polygons in real life,...

## Practical Geometry

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### Construction of Rhombus

Construction of rhombus given side and angle, both diagonals -
### Construction of squares and rectangles

construction of square given side and diagonals,construction of rectangles -
### Construction of quadrilaterals

Construction of quadrilateral when 4 sides and one diagonal are given, -
### Construction of quadrilaterals given its sides and angl ...

Construction of quadrilaterals when their 2 sides 3 angles are given ,when ... -
### Construction of Parallelogram

Construction of parallelograms, given adjacent sides and the included angle...

## Data Handling

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### Bar Graphs and Histograms

bar graph, histogram their interpretation,comparison of the two -
### Frequency distribution

Tally marks,continuous classes,frequency,class size -
### Probability

Outcomes, events and sample space associated with an experiment, probabilit... -
### Pictographs

Organizing data, pictographs, interpretation of pictographs. -
### Pie Chart

Meaning of pie chart, analysing pie charts, drawing pie charts

## Squares and Square Roots

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### Estimating Square roots

Estimating Square root of a number using the square roots of known numbers -
### Finding Square roots

Finding square roots using prime factorization method,using long division m... -
### Applications of Squares and square roots

Finding the number which upon adding or subtracting gives a perfect square... -
### Patterns in square numbers

Patterns to find the square of some standrad numbers, Pythagorean triplet... -
### Square and Triangular Numbers

square numbers, properties of square numbers,triangular numbers, addition...

## Cubes and Cube Roots

View All## Comparing Quantities

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### Sales Tax

Computation of sales tax and VAT -
### Compound Interest

Calculation of compound interest using the amount formula -
### Percentage

Finding percentage, applications of percentage -
### Application of Percentage

Word problems involving percentage,using percentage to compute simple inter... -
### Ratio of Quantities

Concept of ratio, comparison of ratios, equivalent ratio, simplifying ratio...

## Algebraic Expressions and Identities

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### Algebraic Identities

Graphical and algebraic interpretation of (a+b)^2,(a-b)^2 and a^2-b^2 -
### Expansion using algebraic Identities

Expansion of algebraic expressions using identities. -
### Introduction to Algebraic Expressions

Definition of constant, variable, algebraic expression, monomial, binomial,... -
### Multiplication of Polynomials

Multiplying a binomial by a binomial, multiplying a binomial by trinomial -
### Addition and Subtraction of Algebraic Expressions

This topic covers addition and subtraction of polynomials and simplifying e...

## Visualising Solid Shapes

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### 3D Shapes

Introduction of 3D shapes like cone, cylinder, sphere and pyramid, parts of... -
### 3D Objects

3D Objects

## Mensuration

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### Surface Area: Cubes and Cuboids

cubes and cuboids, finding their surface area -
### Area of Quadrilaterals

Finding area of quadrilaterals -
### Surface area and volume of cylinder

Generation of cylinder Finding the surface are and volume of cylinder -
### Volume: Cubes and Cuboids

Finding the volume of cubes and cuboids. -
### Area of Polygonal Regions

Area of Polygonal Regions

## Exponents and Powers

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### Numbers in standard form

Exponents and Powers: Number in standard form -
### Exponent Notation

Meaning of exponent notation: negative and positive exponents,Law of indice...

## Direct and Inverse Proportions

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### Direct Proportions

Meaning of direct proportions, condition when two quantities vary directly,... -
### Inverse Proportions

Inverse Proportions

## Factorisation

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### Introduction to Factorisation

Meaning of factoring an algebraic expansions, factorization by taking commo... -
### Division of Polynomials

Dividing monomial by monomial, dividing binomial by monomial and binomial, ... -
### Factorisation using identities

Factorising the polynomials using standrad identities

## Introduction to Graphs

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### Introduction to Coordinate System

Introduction to Coordinate System -
### Some Common Linear Graphs

To draw some common linear graphs like quantity cost, principal and SI, dis... -
### Plotting Linear Graphs

Dependent and independent variables, drawing the linear graphs and solved p...

## Playing With Numbers

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### Games with Numbers

General form of a two digit and three digit number, games with two digit nu... -
### Divisibility Rules

Divisibility by 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 14 and 15

## Rational Numbers

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### Introduction to Rational Numbers

This video explains the concept of Rational Numbers and the Mathematical op... -
### Representation of a Rational number on Number line ...

This video explains the representation of a given rational number on a numb...

## Linear Equations in One Variable

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### Solving Linear Equations in one variable ...

This video explains the method of finding the solutions of given linear equ... -
### Linear Equations to Simpler Form

This video explince the concept of Linear Equations to Simpler Form. -
### Equations Reducible to the Linear Form

This video explains the concept of Equations Reducible to the Linear Form. -
### Application of Linear Equations in one variable ...

This video explains the application of Linear Equations in one variable.

## Understanding Quadrilaterals

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### Sum of the Measures of the Exterior Angles of a Polygon ...

This video explains the method of finding number of sides of a polygon if t... -
### Properties of Parallelogram

This video explains the properties of a Parallelogram.

## Data Handling

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### Grouped Frequency Distribution Table

This video explains the method of constructing the Grouped Frequency Distri... -
### Drawing Pie Chart

This video explain the method of drawing a Pie Chart based on the given inf... -
### Pictograph

This video explains the concept of Pictograph. -
### Pie Chart

This video explains the concept of Pie Chart.

## Squares and Square Roots

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### Properties of Square Numbers

This video explains the Properties of Square Number. -
### Word Problem on Estimating Square Root

This video explains the concept of Estimating Square Roots. -
### Pythagorean Triplets

This video explains the concept of Pythagorean Triples. -
### Method of finding Square Roots

This video explains the Methods of find a square root of a given number. i...

## Cubes and Cube Roots

View All## Comparing Quantities

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### Compound Interest

This video explains the concept of Compund Interest when the rate is compun... -
### Time and Work

This video explains the concept of Time and Work. -
### Application of Percentages _1

This video explains Application of Percentages. -
### Profit and Loss

This video explains the concept of Cost Price, Selling Price, Loss, Profit,... -
### Ratios of Quantities

This video explains the concepts of Ratios of Quantities.

## Algebraic Expressions and Identities

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### Algebraic Identities

This video explains the concept of Algebraic Identities. -
### Expansion using Algebraic Identities_2

This video explains the concept of Expansion using Standard Algebraic Ident... -
### Expansion using Algebraic Identities_1

This video explains the concept of Expansion using Algebraic Identities. -
### Multiplication of Polynomials

This video explains the concept of Multiplication of Polynomials.

## Visualising Solid Shapes

View All## Mensuration

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### Area of Polygonal Regions

This video explains the concept method of find the area of Polygonal Region... -
### Problems on Mensuration

This video explains the Problems on Mensuration. -
### Surface Area and Volume of Cylinder

This video explains the Surface Area and Volume of Cylinder. -
### Surface Area: Cubes and Cuboids

This video explains the concept of Surface Area: Cubes and Cuboids. -
### Volumes: Cubes and Cuboids

This video explains the concept of Volumes: Cubes and Cuboids.

## Exponents and Powers

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### Laws of Exponents_2

This video explains problem solving by using the laws of Exponents. -
### Laws of Exponents_3

This video explains problem solving by using the laws of Exponents.

## Direct and Inverse Proportions

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### Application based problem on Inverse Proportion ...

This video explains an application based problem on Inverse Proportion -
### Direct Proportion

This video explains the concept of Direct Proportion. -
### Inverse Proportion

This video explains the concept of Inverse Proportion.

## Factorisation

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### Introduction to Factorisation

This video explains the concept of Factorisation. -
### Factorisation using Identities

This video explains the concept of Factorisation using Identities. -
### Division of Polynomials

This video explains the Division of Polynomials. -
### Division of Polynomials

This video explains the Division of Polynomials.