The Best Class 9 Maths + Science + English Notes
3 books · Full colour · 43 chapters
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Why Choose Our Formula Sheet / Short Notes?
Overcome these challenges and boost your marks
- Vast SyllabusStruggling to cover and revise key formulas.
- Time PressureDifficulty balancing school and Self Preparation.
- Exam StressRisk of forgetting crucial formulas under pressure.
- Resource GapsLack of concise & organized study materials.
- Expertly DesignedCreated by toppers, IITian, NITian, NEET rankers.
- Visual LearningColor-coded with diagrams for enhanced retention.
- ConciseRevise a chapter in 15 Minutes.
- Exam FocusedAlso included the formulas which are asked in Board Exams & popular competitive exams.
This Formula Sheet / Short Notes help you to score more in your Board Exams.
Maths, Science and English in One Pack
Every book has its own chapters, boxes and quick revision pages. Here is what is inside each one.
Open the book. These are the real pages.
Straight from the book, nothing redrawn. Tap any page to zoom.
Nucleus and plasma membrane, each with a full labelled diagram. Then diffusion and osmosis in two quick boxes.
The boxes students revise first
Built into the chapters. Tap a box to zoom.
The formula groups the book marks MOST IMP.
The chapter's key formulas in one box, for last-minute revision.
A memory trick for the thing you keep forgetting.
The wrong idea and the right one, side by side.
Every chapter retold in simple Hindi, with key words in red.
8 in every chapter, with the answer below each one.
1 of 6
All 43 chapters, and what each one covers
Tap a chapter to see its topics.
1. Number SystemMaths
Rational and irrational numbers, Real number tree, Number line, Decimal types, Laws of exponents, Negative and fractional powers, Surds, Rationalisation, Square root spiral, Squares and cubes table.
2. Introduction to PolynomialsMaths
Term and coefficient, Degree, Standard form, Zero of a polynomial, Types by degree, Types by terms, Constant vs zero polynomial, Linear polynomials and graphs, Remainder theorem, Factor theorem, Division algorithm.
3. Sequences and ProgressionsMaths
Explicit and recursive rules, Arithmetic Progression, nth term of AP, Sum of n natural numbers, Geometric Progression, nth term of GP, Tower of Hanoi, Fractals, Virahanka (Fibonacci), AP vs GP graph.
4. Exploring Algebraic IdentitiesMaths
(a + b)² geometric model, Standard identities, Square of a trinomial, Cube identities, Sum and difference of cubes, Special identity a³ + b³ + c³ = 3abc, Common factor, Splitting the middle term, Rational expressions, a² − b² geometric model.
5. Linear Equations in Two VariablesMaths
Standard form, Solution of an equation, Slope-intercept form, Slope, x and y intercepts, Pair of linear equations, Nature of solutions, Substitution method, Elimination method, Graphical solution.
6. Coordinate GeometryMaths
Cartesian plane, Abscissa and ordinate, Origin, Quadrants and signs, Points on the axes, Distance formula, Distance from origin, Midpoint formula, Collinear points, Right-angle check.
7. Introduction to Euclid's GeometryMaths
Point and line and plane, History of geometry, The Elements, Baudhayana and Sulbasutras, Euclid's 5 postulates, Euclid's axioms, Axiom vs postulate, Parallel lines, Playfair's axiom.
8. Lines and AnglesMaths
Line segment and ray, Types of angles, Complementary and supplementary, Linear pair, Vertically opposite angles, Parallel lines and transversal, Corresponding and alternate angles, Angle sum property, Exterior angle, Proof by contradiction.
9. Triangles: Congruence TheoremsMaths
Congruent figures, CPCT, Median and altitude, SSS and SAS, ASA and AAS, RHS, Why SSA is not valid, Isosceles triangle property, Equilateral triangle, Triangle inequality.
10. QuadrilateralsMaths
Types of quadrilaterals, Trapezium and kite, Angle sum 360°, Properties of a parallelogram, Conditions for a parallelogram, Mid-point theorem, Converse of mid-point theorem, Midpoint quadrilateral, Central symmetry, Tiling.
11. CirclesMaths
Parts of a circle, Sector vs segment, Chord properties, Perpendicular from centre, Angle in a semicircle, Angles on the same arc, Angle at centre, Cyclic quadrilateral, Circumcentre and circumcircle, Unique circle through 3 points.
12. Area and PerimeterMaths
Perimeter formulas, Area formulas, Semi-perimeter, Heron's formula, Brahmagupta's formula, Arc length, Area of sector, Area of segment, Equilateral triangle area, IKS and history.
13. Surface Area and VolumeMaths
Common 3D solids, Cuboid and cube, Cylinder, Cone, Slant height, Sphere, Hemisphere, Pyramid, TSA vs CSA, Volume formulas.
14. StatisticsMaths
Primary and secondary data, Frequency and class interval, Range, Bar graph, Histogram, Stacked bar graph, Frequency polygon, Mean, Weighted average, Median, Mode.
15. Introduction to ProbabilityMaths
Experiment and outcome, Event, Sample space, Sure and impossible events, Theoretical probability, Experimental probability, Sum rule, Coin and dice examples, Card example, Tree diagram for 2 coins.
1. CellScience
Cell theory, Prokaryotic vs eukaryotic, Nucleus, Plasma membrane, Diffusion and osmosis, ER, Ribosomes, Golgi, Mitochondria, Plastids, Plant vs animal cell, Mitosis and meiosis, Biomolecules, Recent advancements.
2. TissuesScience
Plant vs animal tissues, Meristematic and permanent tissue, Xylem and phloem, Epithelial, Connective, Muscular and nervous tissue, Musculoskeletal system, Types of joints, First aid, Yoga and posture.
3. ReproductionScience
Asexual reproduction, Vegetative propagation, Tissue culture, Chromosomes and meiosis, Parts of a flower, Pollination, Fertilisation, Human reproductive system, Puberty, Menstrual cycle, Reproductive health.
4. DiversityScience
Biodiversity, Endemic species and hotspots, Hierarchy of classification, Binomial nomenclature, Five kingdoms, Three domains, Viruses, Plantae, Animalia, Vertebrate classes, Specimens to identify, Ecological roles.
5. Exploring Mixtures & SeparationScience
Solution, colloid and suspension, Tyndall effect, Concentration with worked examples, Solubility curve, Chromatography, Distillation, Separating funnel, Crystallisation, Kannauj's Deg-Bhapka.
6. Structure of an AtomScience
Bohr-Bury rules, Electronic configuration of the first 18 elements, Thomson, Rutherford and Bohr models, Gold-foil experiment, Isotopes and isobars, Valency.
7. Atoms and MoleculesScience
The mole, Molar mass, Common valencies, Dalton's atomic theory, Laws of chemical combination, Writing chemical formulas, Criss-cross method, Polyatomic ions.
8. MotionScience
Distance and displacement, Speed and velocity, Equations of motion with derivation, Motion graphs, Uniform circular motion, Unit conversion.
9. Force and Laws of MotionScience
Newton's three laws, Momentum and impulse, Derivation of F = ma, Conservation of momentum, Balanced and unbalanced forces, Mass vs weight, Friction.
10. Work, Energy and Simple MachinesScience
Conditions for work, KE and PE with derivation, Conservation of energy, Free fall table, Power, Lever, inclined plane and pulley, Mechanical advantage.
11. SoundScience
Wave speed with derivation, Pitch, loudness and timbre, Echo and reverberation, SONAR, Speed of sound in different media, Range of hearing.
12. Earth as a SystemScience
Five spheres with Indian examples, Uneven heating, Land, sea, valley and mountain breezes, Global wind belts, Solar radiation and albedo, Water, carbon, nitrogen and oxygen cycles, Greenhouse effect, Monsoon.
1. How I Taught My Grandmother to ReadEnglish
About Sudha Murty, Theme in 1 line, Summary in English and Hindi, Krishtakka and Sudha, Kashi Yatre by Triveni, Word meanings, 16 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Letter to the Editor task.
2. Bharat Our LandEnglish
About Subramania Bharati, Central idea, Summary in English and Hindi, Stanza-wise explanation, 7 poetic devices, Quick facts, Word meanings, 12 short answers, 2 RTC extracts, Symbolism match, 8 MCQs, True or false.
3. The Pot MakerEnglish
About Temsula Ao, Theme in 1 line, Summary in English and Hindi, Sentila Arenla Mesoba and Onula, Pottery vs weaving, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Career Mela poster task.
4. Gifts of GraceEnglish
About the poem, Central idea, Summary in English and Hindi, Stanza-wise explanation, 6 poetic devices, Quick facts, Vocations in the poem, Word meanings, 11 short answers, 2 RTC extracts, Symbolism match, 8 MCQs.
5. Winds of ChangeEnglish
About the text, Theme in 1 line, Summary in English and Hindi, Regional pankhas, Main idea, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Factual description task.
6. Canvas of SoilEnglish
About the poem, Central idea, Summary in English and Hindi, Stanza-wise explanation, 6 poetic devices, Quick facts, Garden and painting comparisons, Word meanings, 11 short answers, 2 RTC extracts, Symbolism match, 8 MCQs.
7. Vitamin-MEnglish
About the story, Theme in 1 line, Summary in English and Hindi, Grandpa Ravi and Vidya, Title meaning, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Article or diary entry task.
8. I Cannot Remember My MotherEnglish
About the poem, Central idea, Summary in English and Hindi, Stanza-wise explanation, 6 poetic devices, Quick facts, The 3 senses, Word meanings, 10 short answers, 2 RTC extracts, Symbolism match, 8 MCQs.
9. The World of Limitless PossibilitiesEnglish
About the text, Theme in 1 line, Summary in English and Hindi, Dr. Deepa Malik key facts, Paralympics dates, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Article or speech task.
10. Nine Gold MedalsEnglish
About the poem, Central idea, Summary in English and Hindi, Stanza-wise story flow, 6 poetic devices, Quick facts, Values in the poem, Word meanings, 11 short answers, 2 RTC extracts, Symbolism match, 8 MCQs.
11. Twin MelodiesEnglish
About the play, Theme in 1 line, Summary in English and Hindi, Shruti and Guru Nabin Sharma, Title meaning, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Dialogue writing task.
12. A Friend Found in MusicEnglish
About the poem, Central idea, Summary in English and Hindi, Stanza-wise idea flow, 6 poetic devices, Quick facts, Music as a friend, Word meanings, 11 short answers, 2 theme focus sets, Symbolism match, 8 MCQs.
13. Carrier of WordsEnglish
About the text, Theme in 1 line, Summary in English and Hindi, Khetaram key facts, Title meaning, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Article or diary entry task.
14. WordsEnglish
About Charles Swain, Central idea, Summary in English and Hindi, Idea flow, 6 poetic devices, Quick facts, Comparisons, Word meanings, 11 short answers, 2 RTC extracts, Symbolism match, 8 MCQs.
15. Follow That DreamEnglish
About the text, Theme in 1 line, Summary in English and Hindi, Irene Chua and Ming, The 10-year rule, Word meanings, 15 short and long answers, Quick one-liners, 8 MCQs, True or false, 2 RTC extracts, Letter or article task.
16. Believe in YourselfEnglish
About the poem, Central idea, Summary in English and Hindi, Idea flow, 6 poetic devices, Quick facts, Keys to success, Word meanings, 11 short answers, 2 theme focus sets, Symbolism match, 8 MCQs.
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Six quick questions, taken straight from the book.
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The team behind these notes
We teach Class 9 to 12 students on our YouTube channel. These notes are written by IITians, NITians and NEET toppers.
Academic records- Topper, Class 10
- Topper, Class 12
- NITian, cracked JEE Mains
- IIT JAM AIR 621
- Graduation topper, BSc PCM
- District topper
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Clear, focused notes help students revise properly and score higher in school exams.
Class 9 concepts carry into the Class 10 boards, and those marks matter long after school.
When marks go up, students start believing in themselves, and it shows in everything they do.
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