Maths IX

• Operation of Sets
• Problems on Operations of Set
• Cardinality of Sets
• Problems on Cardianality of Sets

• Introduction to Profit and Loss
• Problems Related to Profit and Loss

• Commission
• Tax
• Discount
• Commission and Tax – Dividend

• Energy Bill Calculation
• Water Bill Calculation
• Rules of Telephone Charge and Bill Calculation
• Taxi Bills

• Introduction to Area and Area of Pathways – 1
• Area of Pathways – 2
• Cost of Plastering

• Area and Volume of Solid Objects
• Problems Related to Area and Volume of Solid Objects
• Cost Related to Volume

• HCF and LCM

• Basic Rules on Indices
• Exponential Equation

• Ratio, Its Types and Problems on Ratio
• Proportion and Its Properties
• Continued Proportion

• Substitution Equation to Solve Linear Equation
• Elimination Method to Solve Linear Equation
• Graphical Method to Solve Linear Equation

• Solution of Quadratic Equation By Method of Factorization
• Solution of Quadratic Equation by the Method of Completing Square
• Solution of Quadratic Equation by Using Formula

• Introduction and Sum of Angles of any Triangle is Equal to two Right Angles
• Exterior Angle of a Triangle is Equal to Sum of Two Opposite Interior Angles
• The Perpendicular Drawn From the Vertex of an Isosceles Triangle Bisects the Angle
• Condition for Congruency and Base Angles of an Isosceles Triangles are Equal
• Sides Opposite to Equal Angles of a Triangle are Equal and Bisector Theorem
• Mid-Points of any Two Sides of a Triangle is Parallel to the Third Side
• Problems Related to Triangle Theorem

• Introduction to Parallelogram
• If the Opposite Angles of a Quadrilateral are Equal , Then It is Parallelogram
• The Diagonals of a Parallelogram Bisect Each Other
• Problems Related to Parallelogram
• Miscellaneous Problems for Triangles and Parallelogram

• Construction of Quadrilaterals
• Construction of Rectangle
• Construction of Parallelogram – I
• Construction of Parallelogram – II
• Construction of Rhombus

• Introduction to Similarity
• Problems Related to Similarity
• Pythagoras Theorem and Related Problems

• Equal Chords are Equidistance from Center

• Introduction to Trigonometry
• Trigonometric Ration of Standard Angles
• Problems Related to Trigonometric Ratios

• Introduction to Statistics and Line Graph
• How to draw Pie Chart?
• Histogram
• How to draw Ogive Curve?
• Mean: Rules to Find mean in Individual, Discrete Series
• Median, Mode and Quartiles

• Introduction to Probability | Class IX
• Probability Scale and Empirical Scale