
For Students – self prep and practice
 Topic wise key learning notes
 Topic wise basic and advanced practice
 IIT level practice tests with negative marking

For Schools and individual tutors
 Create your own student groups
 Follow the structured curriculum
 Choose and assign the practice tests

Grade 9 Mathematics
 Trigonometry
1.1 Trigonometric ratios Notes
1.2 Coterminal angles Notes
1.3 Trigonometric identities Notes
1.4 Compound angles Notes
1.5 Multiple and Submultiple angles Notes
1.6 Trigonometry transformation Notes
1.7 Graphs and Periodicity Notes
1.8 Trigonometric equations Notes
1.9 Inverse Trigonometry Notes
1.10 Trigonometric functions Notes
1.11 Trigonometric properties of triangles Notes
 Surds
2.1 Surds Notes
2.2 Types of Surds Notes
2.3 Laws of Radicals Notes
2.4 Addition and subtraction of surds Notes
2.5 Multiplication and division of surds Notes
 Logarithms
3.1 Logarithms definition Notes
3.2 Logarithmic functions Notes
3.3 Types of logarithms Notes
3.4 Laws of Logarithms Notes
3.5 Logarithmic tables Notes
 Complex numbers
4.1 Complex numbers Notes
4.2 Operations on complex numbers Notes
4.3 Conjugate of complex number Notes
4.4 Cube roots of unity Notes
4.5 Argument of complex number Notes
4.6 nth roots of unity Notes
 Quadratic equations
5.1 Factorization method Notes
5.2 Solving by Quadratic formula Notes
5.3 Roots and coefficients Notes
5.4 Conditions for common roots Notes
5.5 Solution of inequations Notes
 Theory of equations
6.1 Transformation of equations Notes
 Roots in A.P, G.P & H.P ( theory of equations WS 3)
 Coordinate geometry
 Take from grade 8
 Pair of straight lines
 Basics ( Pair of straight lines – WS1)
 Pair of angle bisectors (Pair of straight lines – WS2)
 Product of perpendiculars to the pair of lines ( pair of straight lines – WS3)
 Permutations and combinations
 Permutations (WS1)
 Permutations with and without repetitions (WS2)
 Sum and rank of words (WS3)
 Combinations (WS4)
 Circular permutations (WS4)
 Applications of combinations (WS5)
 Selection of one and more objects (WS6)
 Number of divisors (WS6)
 Division into groups (WS7)
 Probability
 Probability (WS1)
 Conditional probability (WS1)
 Addition theorem ( WS2)
 Baye’s theorem ( WS1)
 Circles
 Conic sections (WS1)
 Theorems (WS1)
 Concentric circles (WS1)
 Parametric equation (WS1)
 Chord joining two points (WS2)
 Tangent line (WS2)
 Pole and Polar (WS3)
 Inverse points (Ws3)
 Theorems (WS4 and WS5)
 Progressions
 Sequences ( Progressions WS1)
 Arithmetic progression ( Progressions WS1)
 Properties of AP ( Progressions WS1)
 Sum to ‘n’ terms of AP ( WS2)
 Geometrical progression ( WS3)
 Progressions ( WS4)
 Harmonical progression ( WS5)
 Sum of ‘n’ natural numbers ( WS6)

