# ICSE Class 9 Maths Videos

## Rational and Irrational Numbers

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### Rational Numbers ...

Recall the concept of number line and discuss its importance in day to day... -
### Irrational Numbers

This video explains how to differentiate between rational and irrational nu... -
### Real Numbers

This video covers the definition of real numbers, difference between the ra... -
### Rational Numbers ...

Recall the concept of number line and discuss its importance in day to day... -
### Irrational Numbers

This video explains how to differentiate between rational and irrational nu...

## Compound Interest

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### Compound Interest

Compound Interest, Compound Interest Using Formula -
### Compound Interest

Compound Interest, Compound Interest Without Using Formula

## Expansions

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### Expansions

Expansions, Expansions Using Square Identities -
### Expansions

Expansions, Expansions Using Square Identities -
### Expansions

Expansions, Expansions Using Square Identities -
### Expansions

Expansions, Expansions Using Square Identities -
### Expansions

Expansions, Expansions Using Cubic Identities

## Factorisation

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### Algebraic Identities: Quadratic

Understand the Algebraic identities for quadratic Polynomials. Apply the i... -
### Algebraic Identities: Cubic Type

Listing of algebraic identities for cubic Polynomials and simplify the comp... -
### Factorisation: Split The Middle Term ...

Factorisation:Split the Middle Term -
### Algebraic Identities: Quadratic

Understand the Algebraic identities for quadratic Polynomials. Apply the i... -
### Algebraic identities for cubic Polynomials

Listing of algebraic identities for cubic Polynomials and simplify the comp...

## Simultaneous (Linear) Equations

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### Substitution Method

This video explains the concept of substitution method to solve a pair of l... -
### Elimination Method

This video explains the elimination method to solve a pair of linear equati... -
### Cross Multiplication Method ...

This video explains the cross multiplication method to solve a pair of line... -
### Application of linear equations that are not in standar ...

This video discusses equations reducible to linear form. -
### Concept of substitution method to solve a pair of linea ...

Learn the concept of substitution method to solve a pair of linear equation...

## Indices

View All## Logarithms

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### Real Numbers

Real Numbers, Exponential and Logarithmic Notations -
### Logarithms

Logarithms, Logarithms

## Congruent Triangles

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### Congruence Criteria: SAS and ASA

This video explains the congruence criteria of triangles through SAS and AS... -
### Congruence Criteria: SSS and RHS ...

This video explains the proof of congruence of right triangles and discover... -
### Congruence of geometrical figures

Congruence of geometrical figures. Establish the congruence criteria of tri... -
### Concepts on congruence of triangles

Prove the congruence of right triangles and discover the congruence of tria... -
### Congruence Criteria: SAS and ASA ...

Congruence of geometrical figures. Establish the congruence criteria of tr...

## Isosceles Triangles

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### Properties of Isosceles Triangle ...

Establish the relation between equal sides and angles in a triangle. Apply... -
### Properties of Isosceles Triangle ...

Establish the relation between equal sides and angles in a triangle. Apply... -
### Properties of Isosceles Triangle ...

Establish the relation between equal sides and angles in a triangle. Apply...

## Inequalities

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### Relation between the sides and angles of a triangle ...

Relation between the length and measure of its opposite angle in a triangle... -
### Inequalities in a Triangle

This video explains the relationship between the length and measure of its ... -
### More on relation between sides and angles in a triangle ...

Relation between the length and measure of its opposite angle in a triangle...

## Mid-Point and Its Converse

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### Mid Point Theorem

This video explains the Mid - Point theorem and its converse for a triangle... -
### Mid Point Theorem

This video explains the Mid - Point theorem and its converse for a triangle... -
### Mid Point Theorem ...

This video explains the Mid - Point theorem and its converse for a triangle...

## Pythagoras Theorem

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### Pythagoras Theorem

This video explains the derivation of Pythagoras Theorem from the concept o... -
### Deriving Pythagoras Theorem from the concept of similar ...

Derive Pythagoras Theorem from the concept of similar triangles. Apply the ... -
### Application problems on Pythagoras theorem ...

Derive Pythagoras Theorem from the concept of similar triangles. Apply the ...

## Rectilinear Figures

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### About relation between opposite angles in a parallelogr ...

Relation between opposite angles in a parallelogram. Explore the conditions... -
### Relation between the diagonals of a parallelogram ...

Establish the relation between the diagonals of the parallelogram. Conditio... -
### Types and Angle Sum Property

. Definition of Quadrilateral & special quadrilaterals: rectangle, square,... -
### Parallelograms: Basic Properties

Parallelograms:Basic Properties -
### Angle Relations in Parallelogram

This video explains the relation between opposite angles in a parallelogram...

## Construction of Quadrilaterals

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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...

## Area Theorems

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### Concept of Area of Region

Concept of area of Geometrical figures. Geometrical figures on the same ba... -
### Area related to Parallelograms

This video explains the relation between the area of two parallelograms, a ... -
### Concept of area of Geometrical figures

Concept of area of Geometrical figures. Geometrical figures on the same bas... -
### Relation between area of two parallelogram

Relation between the area of two parallelograms, a triangle and a parallelo... -
### Problem-solving based on Area of region

Concept of area of Geometrical figures. Geometrical figures on the same bas...

## Statistics

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### Grouping and Tabulation of Data

Meaning, origin & development of statistics, types of statistical data. Pr... -
### Grouping and Tabulation of Data ...

Meaning, origin & development of statistics, types of statistical data. Pr... -
### Grouping and Tabulation of Data

Meaning, origin & development of statistics, types of statistical data. Pr... -
### Statistics

Statistics, Graphical Representation of Data -
### Statistics

Statistics, Graphical Representation of Data

## Mean and Median of Ungrouped Data

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### Measures of Central Tendency

Explore the three main measures of central tendency, namely mean, median a... -
### Measures of Central Tendency

Explore the three main measures of central tendency, namely mean, median a... -
### Measures of Central Tendency

Explore the three main measures of central tendency, namely mean, median a...

## Mensuration I

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### Area of combination of rectilinear figures

Area of combination of rectilinear figures like a rectangle/square and a se... -
### Area and Perimeter of a circle

This video explains the circumference of a circle, area of a circle problem... -
### Area of Combination of Figures

This video explains how to find the area of combination of rectilinear figu... -
### Area and Circumference of a Circle

This video explains how to calculate the circumference of a circle, area of... -
### Area of Combination of Figures

Area of combination of rectilinear figures like a rectangle/square and a s...

## Mensuration II

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### Surface Area of a Cube and Cuboid ...

Find the lateral and total surface area of a cube and a cuboids. Solve re... -
### Volume of A Cuboid

Understand the basic concepts related to the volumes of cuboids and cubes.... -
### Surface Area of a Cube and Cuboid

Find the lateral and total surface area of a cube and a cuboids. Solve re... -
### Volume of A Cuboid ...

Understand the basic concepts related to the volumes of cuboids and cubes.... -
### Surface Area of a Cube and Cuboid

Find the lateral and total surface area of a cube and a cuboids. Solve re...

## Trigonometry

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### Trigonometry - Relationship between sides and angles of ...

Relationship between sides and angles of a triangle. Define trigonometric r... -
### Trigonometric ratios of some specific angles

Trigonometric ratios of some specific angles like 0,30,45,60,90 degrees. -
### Trigonometric ratios of complementary angles ...

Discuss concept of complementary angles in right angled triangle. Trigonom... -
### Trigonometric ratios

This video explains the relationship between sides and angles of a triangle... -
### Concepts and problem solving on trigonometric ratios of ...

Trigonometric ratios of some specific angles like 0,30,45,60,90 degrees.

## Coordinate Geometry

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### Cartesian Plane ...

This video explains the basic concepts of Coordinate Geometry, discusses qu... -
### Representing Linear Equation in X and Y axes

Representing linear equation in both x and y axes and find solution of a pa... -
### Concepts of Coordinate Geometry

Understand the basic concepts of Coordinate Geometry and discuss quadrants ... -
### Graphical Representation

This video explains how to represent a linear equation in both x and y axes... -
### Basic concepts of Coordinate Geometry

Understand the basic concepts of Coordinate Geometry and discuss quadrants ...

## Graphical Solution

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### Graphical Solution

Graphical Solution, Graphical Solution of Simultaneous Linear Equations -
### Graphical Solution

Graphical Solution, Graphical Solution of Simultaneous Linear Equations -
### Graphical Solution

Graphical Solution, Graphical Solution of Simultaneous Linear Equations

## Distance Formula

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### Distance Formula

This video explains distance formula, its theory and application. -
### Distance Formula

This video explains distance formula, its theory and application. -
### Theory and application of distance formula ...

Distance formula. Understand its theory and application. -
### Coordinate Geometry

Coordinate Geometry, Distance Formula

## Rational and Irrational Numbers

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### Irrational Numbers - 1

This video involves the question which proves a given number is irrational -
### Irrational Numbers - 2

This video explains how to find the irrational numbers between two decimal ... -
### Rationalising the denominator -1 ...

This video contains a question which is solved by taking conjugate of the i... -
### Rationalising the denominator - 2 ...

This video contains a question which is solved using rationalisation -
### Rationalising the denominator - 3 ...

This video contains a question which is solved by taking conjugate of the i...

## Factorisation

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### Algebraic Identities: Quadratic ...

This video contains a question which is solved using square of binomials -
### Factorisation using Square identity ...

This video explains factorisation using square identity -
### Irrational Numbers - 3

This video contains a question which is solved using law of exponents -
### Square of trinomials

This video contains a question which is solved using square of trinomials

## Simultaneous (Linear) Equations

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### Solution of a Linear Equation ...

This video explains how to find the solution of a linear equation -
### Elimination Method

The video explains elimination method for finding solution of two linear... -
### Work Days Example

The video explains an example based on calculating work days. -
### Solving pair of Linear Equations using Elimination Meth ...

The video explains a question based on finding solution of a pair of lin... -
### Equations Reducible to Linear Form

The video explains an example based on Equations Reducible to Linear For...

## Indices

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### Exponents of real numbers - 1 ...

This video contains a question which is solved using law of exponents -
### Exponents of real numbers - 2 ...

This video contains a question which is solved using law of exponents

## Isosceles Triangles

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### Properties of an Isosceles Triangle ...

This video solves a question based on the property of an isosceles triangle -
### Properties of Isosceles Triangle ...

This video contains a question which is solved using the property of isosce... -
### Properties of a Parallelogram ...

This video contains a question which is solved using the property of a para...

## Pythagoras Theorem

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### Word Problem on An Equilateral Triangle

The video explains a proof based on equilateral triangle. -
### Proof of Pythagoras Theorem

The video explains Pythagoras theorem and its proof. -
### Converse of Pythagoras Theorem

The video explains a question based on the converse of Pythagoras theore... -
### Pythagoras Theorem

The video explains a question based on Pythagoras theorem

## Circle

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### Application based problem on a Circle -1 ...

This video contains a problem based on the concept of Circle and its Applic... -
### Application based problem on a Circle -2 ...

This video contains a question based on the concept of Circle and its Appli...

## Statistics

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### Frequency Polygon

This video explains how to draw frequency polygon -
### Histogram

This video explains how to draw an histogram and finding the different valu... -
### Cumulative Frequency Table(Less than type and More than ...

This video explains, how to prepare a Cumulative Frequancy Table (Less than...

## Mean and Median of Ungrouped Data

View All## Mensuration I

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### Application of Heron's Formula - 1 ...

This video explains an application of Heron's Formula. -
### Problem on Heron's Formula - 1 ...

This video explains an application of Heron's Formula. -
### Problem on Heron's Formula - 2 ...

This video explains an application of Heron's Formula. -
### Application of Heron's Formula - 2 ...

This video explains an application of Heron's Formula. -
### Area of a Shaded Region

The video explains that how to find the area of a shaded region formed a...

## Mensuration II

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### Surface Area of Cube and Cuboid ...

This video explains how to find the height of the room if the other measure...

## Trigonometry

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### Trigonometric Ratio

The video explains the relation between trigonometric ratios.

## Graphical Solution

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### Appilcations based problem on Linear Equation in two va ...

This video explains how to form a linear equation using given statements an... -
### Solution of Linear Equations in two variables graphical ...

This video explains how to draw the graph of a linear equation and to find ...

## Distance Formula

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### Distance Between two Given Points

The video explains to find distance between two points using distance fo... -
### Application of Midpoint Formula and Distance Formula ...

The video explains the midpoint formula and distance formula -
### Distance Formula

The video explains an example based on the concept of Distance formula... -
### Collinearity

The video explains an example based on the concept of Collinearity.