Class 9 Maths
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Class 9 Maths Video Lectures
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Video Lectures
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Chapter Notes
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NCERT Book Solutions
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Course Features
 Lectures 96
 Quizzes 0
 Duration 80 Hours 50 Minutes
 Skill level All levels
 Language English, Hindi
 Students 142
 Assessments Yes

1.Number System
 Numbers and its Classification, Rational Number and its Representation on the Number Line
 Decimal Representation of Rational Number and Conversion of Decimal Number into Rational Number
 Representation of Decimal Number on Number Line, Finding Irrational Numbers Between Given Two Numbers
 Representing Irrational Number on the Number Line
 Rationalisation
 Introduction to Exponents, Laws of Exponents, BODMAS Rule
 Integral Exponents of Real Numbers
 Integral Exponents of Real Numbers and Solving Equation for x
 Rational Exponents of Real Numbers
 Examples Based on Rational Exponents of Real Numbers
 Sums based on Decimal Represntation of Rational Number
 Rationalisation

2.Polynomials
 Introduction to Polynomials and Some Basics Questions
 Value of Polynomial, Zeroes of Polynomial and Relationship between Zeroes and Coefficient of Linear Equation
 Division of Polynomials and Division Algorithm and Remainder Theorem
 Factorising by Spliting Method
 Factorisation By Different Methods and Factor Theorem
 Factorisation of Polynomial by Using Algebric Identities
 Factorization of Trinomials

3.Coordinate Geometry

4.Linear Equations

5.Euclid's Geometry

6.Lines and Angles
 Introduction to Lines and Angles, Types of Angle and Axioms
 Vertically opposite Angles and Angle bisector
 Angle made by a transversal with two Lines and Parallel Lines
 Lines Parallel to same Line; Exterior angle of a triangle; Angle Sum property of a Triangle
 Angle Sum Property of Triangle Including Interior and Exterior Angles
 Properties Related to Alternate Interior Angles and Theorem
 Properties Related to Consecutive Interior Angles and Theorem

7.Triangles
 Introduction, Types of Triangle, Altitude & Median of Triangle, Congruences, SAS criterion of Congruence
 Questions Based on SAS Criterion
 ASA Criterion of Congruence and Its based Questions
 Questions Based on AAS and SSS Criterion
 RHS Criterion of Congruence and Its based Questions, Questions Based on Multiple Criterion
 Inequalities of Triangle
 Inequalities of Triangle cont., Distance Between a line and The Point, Miscellaneous Questions
 Sums Based on SSSCriterion of Congruences
 Some Inequalities of Triangle

8.Quadrilaterals
 Congruence of Triangles SAS Congruence Criteria, ASA Congruence Criteria, SSS Congruence Criteria, RHS Congruence Criteria; Types of Quadrilateral Parallelogram, Rectangle, Rhombus, Square, Trapezium, Kite
 Theorem 1; Properties of parallelogram Theorem 2, Theorem 3;
 Theorem 4; Theorem 5;
 Conditions for a Quadrilateral to be a parallelogram Theorem 6
 Theorem 8
 Theorem 9
 Theorem 9(Midpoint Theorem);
 Theorem 10
 Sums Based on Converse of MidPoint Theorem

9.Area of Parallelogram
 Parallelograms on the Same Base and between the Same Parallels; A Diagonal of a parallelogram divides it into two triangles of Equal Area
 Questions based on parallelogram and Triangle are on same base & parallel lines and Area of Triangle
 Triangles on the same Base and between the same Parallels
 Miscellaneous Questions Based on Triangles on the same Base and between the same Parallels
 Sums Based on Median of a Triangle
 Two Triangles on the same Base and equal Area lie b/w the same parallel
 Summary of All Concepts and Miscellaneous Questions
 Area of Triangles and Theorems
 Relation Between Triangle and Parallelogram
 Comparing Area of Two Triangles

10.Constructions

11.Circles
 Introduction, Important Terms related to circle, Theorem1, 2, 3 and 4
 Problems Solving
 Problems Based on Parallel Chords, Common Chord of Circles
 Problems Based on Concentric Circles, Triangle in Circle
 Equal Chords and Their Distance, Theorem5, 6, 7, 8
 Circle Through Points, Theorem9, Arc of a Circle, Theorem10
 Sums Based on Angles Subtended By Arcs
 Sums Based on Cyclic Quadrilaterals and Its Properties

12.Heron's Formula

13.Surface Area and Volume
 Introduction, Surface Area of Cube, Cuboid, Cylinder, Hollow cylinder, Cone, Sphere
 Type1: Surface Area and Volume of Cube and Cuboid
 Level2, Question based on Cube and Cuboid, Level1 Questions based on Cylinder
 Level2 Questions based on Cylinder, Type3 Surface Area and Volume of Right Circular Cone (Level1)
 Level2 Questions based on Right Circular Cone, Level1& 2 Questions Based on Sphere & Hemisphere
 Type5 Short Answer Types Questions,

14.Statistics
 Data; Presentation of Data; Understanding Basic terms;
 Questions;
 Bar Graph, Histogram, Frequency Polygon;
 Histogram for Grouped Frequency Distribution (Class interval in Inclusive form), Frequency Polygon, Measures of Central Tendency,
 Examples Based on Mean of Ungrouped Data
 Direct Method of Finding Mean of Ungrouped Data, Median of Cont. Freq. Distribution (Grouped Data)
 Mean; Mean for an ungrouped freq. Dist. Table

15.Probability