BrainBox School

CBSE IX MATHEMATICS

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Teacher
krishnam raju
Lessons
362 Lessons
Students
69 (Registered)

Description

Course Description

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Curriculum

LESSON-01 NUMBER SYSTEM (In Review)

Basics of real numbers (Explanation)

part 1

Determine rational between two rational numbers (Explanation)

part 2

Irrational numbers (Explanation)

part 3

Real numbers (Explanation)

part 4

Conservation of non-terminating repeating decimal number (Explanation)

part 5

Representing (Real numbers) Decimals (Explanation)

part 6

Operations on real numbers (Explanation)

part 7

Existance of square root, Passitive real numbers (Explanation)

part 8

Some important indentities (Explanation)

part 9

Rationalising real numbers (Explanation)

part 10

Laws of exponents for real numbers (Explanation)

part 11

LESSON-03 COORDINATE GEOMETRY

INTRODUCTION(Explanation)

INTRODUCTION (NOTES)

CARTESIAN PLANE(Explanation)

CARTESIAN PLANE (NOTES)

ORDERED PAIR(Explanation)

ORDERED PAIR (NOTES)

LOCATING A POINT IN A CARTESIAN PLANE THROUGH AN LINE(Explanation)

LOCATING A POINT IN A CARTESIAN PLANE THROUGH AN LINE (NOTES)

SINGNS OF CO-ORDINATES OF QUADRANTS(Explanation)

SINGNS OF CO-ORDINATES OF QUADRANTS (NOTES)

MIRROR IMAGE(Explanation)

MIRROR IMAGE (NOTES)

SOLVED PROBLEM-1(Explanation)

SOLVED PROBLEM-1 (NOTES)

SOLVED PROBLEM-2(Explanation)

SOLVED PROBLEM-2 (NOTES)

SOLVED PROBLEM-3(Explanation)

SOLVED PROBLEM-3,4(Explanation)

SOLVED PROBLEM-5(Explanation)

SOLVED PROBLEM-5 (NOTES)

LEVEL-1

17 questions

LEVEL-2

10 questions

LESSON-04 LINEAR EQUATION IN TWO VARIABLES

INTRODUCTION

LINEAR EQUATIONS(EXPLANATION)

LINEAR EQUATIONS

TYPES OF LINEAR EQUATIONS(EXPLANATION)

TYPES OF LINEAR EQUATIONS

LINEAR EQUATION IN ONE VARIABLE-A(EXPLANATION)

LINEAR EQUATION IN ONE VARIABLE_A

LINEAR EQUATION IN TWO VARIABLE-B(EXPLANATION)

LINEAR EQUATION IN TWO VARIABLE_B

SIMULTANEOUS LINEAR EQUATIONS(EXPLANATION)

SIMULTANEOUS LINEAR EQUATIONS

SOLUTIONS OF SIMULTANEOUS LINEAR EQUATIONS(EXPLANATION)

SOLUTIONS OF SIMULTANEOUS LINEAR EQUATIONS

SOLVED PROBLEMS-01(EXPLANATION)

SOLVED PROBLEMS_01

METHODS TO SOLVE SIMULANEOUS LINEAR EQUATIONS(EXPLANATION)

METHODS TO SOLVE SIMULANEOUS LINEAR EQUATIONS

PROCEDURE TO SOLVE SUBSTITUTION METHOD(EXPLANATION)

PROCEDURE TO SOLVE SUBSTITUTION METHOD

PROCEDURE TO SOLVE ELIMINATION METHOD(EXPLANATION)

PROCEDURE TO SOLVE ELIMINATION METHOD

GRAPH OF LINEAR EQVATION IN TWO VARIABLES(EXPLANATION)

GRAPH OF LINEAR EQVATION IN TWO VARIABLES

GRAPHICAL SOLUTION OF PAIR OF LINEAR SIMULTANEOUS EQUATIONS(EXPLANATION)

GRAPHICAL SOLUTION OF PAIR OF LINEAR SIMULTANEOUS EQUATIONS(NOTES)

ANY PAIR OF LINES IN THE SAME PLANE(EXPLANATION)

ANY PAIR OF LINES IN THE SAME PLANE

EQUATION OF LINES PARALLEL TO X- AXIS-A(EXPLANATION)

EQUATION OF LINES PARALLEL TO X- AXIS_A

EQUATION OF LINES PARALLEL TO X- AXIS-B(EXPLANATION)

EQUATION OF LINES PARALLEL TO X- AXIS-B

EQUATION OF LINES PARALLEL TO Y – AXIS-A(EXPLANATION)

EQUATION OF LINES PARALLEL TO Y – AXIS-A

EQUATION OF LINES PARALLEL TO Y- AXIS-B(EXPLANATION)

EQUATION OF LINES PARALLEL TO Y- AXIS_B

SOLVED PROBLEMS-02(EXPLANATION)

SOLVED PROBLEMS_02

SOLVED PROBLEMS-03(EXPLANATION)

SOLVED PROBLEMS_03

SOLVED PROBLEMS-04(EXPLANATION)

SOLVED PROBLEMS_04

SUMMARY

LEVEL-1A

10 questions

LEVEL-1B

8 questions

LEVEL-2A

10 questions

LEVEL-2B

5 questions

LEVEL_3A

8 questions

Introduction (Online link)

Graphical solution of simultaneous le (Online link)

Graph of linear equation in two variables (Online link)

Equation of line parallel to x axis and y axis (Online link)

Procedure to solve substitution method (Online link)

Zoom

LESON-05 INTRODUCTION TO EUCLID'S GEOMETRY

Euclid’s Approach to Geometry (Explanation)

Euclid’s some properties Axioms 1 (Explanation)

Euclid’s some properties Axioms 2 and 3 (Explanation)

Euclid’s Axioms 4 and 5 (Explanation)

Euclid’s Axioms 6 and 7 (Explanation)

Euclid’s Postulates 1 and 2 (Explanation)

Euclid’s Postulates 3 and 4 (Explanation)

Euclid’s Postulates 5 (Explanation)

Equivalent version of Euclid’s 5th postulate (Explanation)

Non-Euclidean geometry (Explanation)

Solved examples 1 and 2 (Explanation)

Solved example 3 (Explanation)

Solved example 4 (Explanation)

Solved example 5 (Explanation)

LESSON-07 TRIANGLES

Triangles, closed figures(Explanation)

Sides and angles of a triangles(Explanation)

Properties of congruent Relation(Explanation)

Some important Results Congruent of Triangles(Explanation)

Some important Results Congruence of Triangles(Explanation)

LESSON-09 Areas of Parallelograms and Triangles

Geometry originated with measurement of lands the process(Explanation)

part 1

Relationship between the parallelograms(Explanation)

part 2

Triangles same base and between same parallels(Explanation)

part 3

The diagonals of quadrilateral(Explanation)

part 4

Parallelogram and Rectangle some bases(Explanation)

part 5

LESSON-10 CIRCLES

Introduction to circle(Explanation)

part 1

Angle subtended by a chord at a point(Explanation)

part 2

Perpendicular from the center to a chord(Explanation)

part 3

Equal chords and distances from the center(Explanation)

part 4

Angle subtended by an arc of a circle(Explanation)

part 5

Angle subtended by an arc of a circle Theorems(Explanation)

Cyclic quadrilaterals(Explanation)

part 6

LESSON-12 HERONS FORMULA

INTRODUCTION

INTRODUCTION(EXPLANATION)

BASIC FORMULA-RIGHT ANGLE TRIANGLE(EXPLANATION))

BASIC FORMULA-RIGHT ANGLE TRIANGLE(NOTES)

EQUILATERAL TRIANGLE(EXPLANATION)

EQUILATERAL TRIANGLE

ISOSCELES TRIANGLE(EXPLANATION)

ISOSCELES TRIANGLE

RIGHT ANGLE ISOSCLES TRIANGLE(EXPLANATION)

HERON’S FORMULA(EXPLANATION)

HERON’S FORMULA

PERIMETER OF DIFFERENT TRIANGLES(EXPLANATION)

ABOUT ALTITUDES OF TRIANGLES(EXPLANATION)

ABOUT ALTITUDES OF TRIANGLES

SEMI PERIMETER OF DIFFERENT TRIANGLE(EXPLANATION)

EXAMPLE OF AREA OF TRIANGLE KNOWN THREE SIDES-(EXPLANATION)

EXAMPLE OF AREA OF TRIANGLE (KNOWN THREE SIDES)

APPLICATION OF HERON’S FORMULA IN FINDING AREA OF QUADRILATRAL(EXPLANATION)

APPLICATION OF HERON’S FORMULA IN FINDING AREA OF QUADRILATRAL

AREA OF QUADRILATERAL IF YOU KNOW HIRGHT OF THE TRIANGLES(EXPLANATION)

AREA OF QUADRILATERAL IF YOU KNOW HIRGHT OF THE TRIANGLES

PROBLEM BASED ON AREA OF QUADRILATERAL(EXPLANATION)

PROBLEM BASED ON AREA OF QUADRILATERAL

SOLVED PROBLEM-01(EXPLANATION)

SOLVED PROBLEM_01

SOLVED PROBLEM-02(EXPLANATION)

SOLVED PROBLEM_02

SOLVED PROBLEM-03(EXPLANATION)

SOLVED PROBLEM_03

SOLVED PROBLEM-04(EXPLANATION)

SOLVED PROBLEM_04

SOLVED PROBLEM-05(EXPLANATION)

SOLVED PROBLEM_05

SOLVED PROBLEM-06(EXPLANATION)

SOLVED PROBLEM_06

LEVEL_1A

6 questions

LEVEL_2A

1 question

Introduction (Online link)

Area of triangle by herons formula (Online link)

Application of herons formula finding area of quadrilaterals (Online link)

LESSON-15 POLYNOMIALS

INTRODUCTION

AN ALGEBRAIC EXPRESSION POLYNOMIAL(Explanation)

AN ALGEBRAIC EXPRESSION POLYNOMIAL (NOTES)

VALUE OF A POLYNOMIAL(Explanation)

VALUE OF A POLYNOMIAL (NOTES)

DEGREE OF A POLYNOMIAL IN ONE VARIABLE(Explanation)

DEGREE OF A POLYNOMIAL IN ONE VARIABLE (NOTES)

DEGREE OF A POLYNOMIAL IN TWO VARIABLES(Explanation)

DEGREE OF A POLYNOMIAL IN TWO VARIABLES (NOTES)

CONSTANT POLYNOMIALS(Explanation)

CONSTANT POLYNOMIALS (NOTES)

LINEAR POLYNOMIALS(Explanation)

LINEAR POLYNOMIALS (NOTES)

QUADRATIC POLYNOMIALS(Explanation)

QUADRATIC POLYNOMIALS (NOTES)

CUBIC POLYNOMIALS(Explanation)

CUBIC POLYNOMIALS (NOTES)

BIQUADRATIC POLYNOMIALS_BIQUADRATIC POLYNOMIALS-P1(Explanation)

BIQUADRATIC POLYNOMIALS_BIQUADRATIC POLYNOMIALS-P1 (NOTES)

BIQUADRATIC POLYNOMIALS_BIQUADRATIC POLYNOMIALS-P2(Explanation)

BIQUADRATIC POLYNOMIALS_BIQUADRATIC POLYNOMIALS-P2 (NOTES)

CLASSIFICATION OF POLYNOMIAL BASED ON NUMBER OF TERMS(Explanation)

CLASSIFICATION OF POLYNOMIAL BASED ON NUMBER OF TERMS (NOTES)

ZEROES OF A POLYNOMIAL(Explanation)

ZEROES OF A POLYNOMIAL (NOTES)

DIFFERENCE BETWEEN MULTI NORMAL AND POLYNOMIAL(Explanation)

DIFFERENCE BETWEEN MULTI NORMAL AND POLYNOMIAL (NOTES)

DEFFERENT BETWEEN ZERO POLYNOMIAL AND ZERO OF POLYNOMIAL(Explanation)

DEFFERENT BETWEEN ZERO POLYNOMIAL AND ZERO OF POLYNOMIAL (NOTES)

DIVISION OF A POLYNOMIAL BY ANOTHER POLYNOMIAL(Explanation)

DIVISION OF A POLYNOMIAL BY ANOTHER POLYNOMIAL (NOTES)

FIND THE REMAINDEER(Explanation)

FIND THE REMAINDEER (NOTES)

LEAVES A REMAINDER FIND THE VALUE(Explanation)

LEAVES A REMAINDER FIND THE VALUE (NOTES)

DIVISION PRINCIPLE(Explanation)

DIVISION PRINCIPLE (NOTES)

N-2 DIVISIORS AND REMAINDERS TABLE(Explanation)

N-2 DIVISIORS AND REMAINDERS TABLE (NOTES)

N-3(Explanation)

N-3 (NOTES)

FACTOR THEOREM(Explanation)

FACTOR THEOREM (NOTES)

USE OF FACTOR THEOREM IN FACTORIZATION(Explanation)

USE OF FACTOR THEOREM IN FACTORIZATION (NOTES)

IDENTITY(Explanation)

IDENTITY (NOTES)

DIVIDE USING REMAINDER THEOREM SOLUTION 01(Explanation)

DIVIDE USING REMAINDER THEOREM SOLUTION 01 (NOTES)

CHECK FACTOR SOLUTION 02(Explanation)

CHECK FACTOR SOLUTION 02 (NOTES)

ALGEBRAIC IDENTITIES SPECIAL IDENTITIES SOLUTION 03(Explanation)

ALGEBRAIC IDENTITIES SPECIAL IDENTITIES SOLUTION 03 (NOTES)

SHOW THAT FACTOR HENCE CPMPLETLY FACTORIES THE ABOVE EXPRESSION SOLUTION 04(Explanation)

SHOW THAT FACTOR HENCE CPMPLETLY FACTORIES THE ABOVE EXPRESSION SOLUTION 04 (NOTES)

FIND THE VALUESOF THE CONSTANTS ‘A’ AND ‘B’ SOLUTION 05(Explanation)

FIND THE VALUESOF THE CONSTANTS ‘A’ AND ‘B’ SOLUTION 05 (NOTES)

FIND THE VALUES SOLUTION 06(Explanation)

FIND THE VALUES SOLUTION 06 (NOTES)

USE THE FACTOR THEOREM TO FACTORISE COMPLETLY SOLUTION 07(Explanation)

USE THE FACTOR THEOREM TO FACTORISE COMPLETLY SOLUTION 07 (NOTES)

REMAINDER THEOREM(Explanation)

REMAINDER THEOREM (NOTES)

FUNDAMENTAL THEOREM OF ALGEBRA(Explanation)

FUNDAMENTAL THEOREM OF ALGEBRA (NOTES)

SUMMARY

LEVEL_1A

10 questions

LEVEL_1B

5 questions

LEVEL_2A

10 questions

LEVEL_2B

1 question

LEVEL_3A

10 questions

LEVEL_3B

7 questions

LEVEL_4A

10 questions

LEVEL_4B

9 questions

LESSON-15 PROBABILITY

PART-1

part 1

PART-2

part 2

PART-3

part 3

PART-4

part 4

PART-5

part 5

PART-6

part 6

PART-7

part 7

PART-8

part 8

PART-9

part 9

PART-10

PART-11

LESSON-09 AREAS OF PARALLELOGRAMS AND TRIANGLES

PART 1

part 1

PART 2

part 2

PART 3

part 3

PART 4

part 4

PART 5

part 5

LESSON-08 QUADRILATERALS

PART 1

part 1

PART 2

part 2

PART 3

part 3

PART 4

part 4

LESSON-07 TRIANGLES

PART 1

part 1

PART 2

part 2

PART 3

part 3

PART 4

part 4

PART 5

part 5

LESSON-10 CIRCLES

PART 1

PART 2

PART 3

PART 4

PART 5A

PART 5B

PART 6

LESSON-06 LINES AND ANGLES

PART 1

part 1

PART 2

part 2

PART 3

part 3

PART 4

part 4

PART 5

part 5

PART 6

part 6

PART 7

part 7

PART 8

part 8

PART 9

part 9

PART 10

part 10

PART 11

part 11

PART 12

part 12

PART 13

part 13

PART 14

part 14

PART 15

part 15

PART 16

part 16

PART 17A

part 17

PART 17B

PART 18

part 18

PART 19

part 19

PART 20

part 20

LESSON-14 STATISTICS

PART 1

part 1

PART 2

part 2

PART 3

part 3

PART 4

part 4

PART 5

part 5

PART 6

part 6

PART 7 MODE

LESSON-13 SURFACE AREA AND VOLUMES

PART 5&5A

part 5

PART 5A

part 5a

PART 5B

part 5b

PART 6

part 6

PART 6A EXAMPLE

part 6a

PART 7

part 7

PART 8

part 8

PART 12

part 12

PART 13

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CBSE IX MATHEMATICS

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CBSE IX MATHEMATICS

CBSE IX MATHEMATICS

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