CBSE Revision Notes
Chapter notes with key concepts, formulas, definitions and worked examples. More chapters are added regularly.
Real NumbersClass 10 · Maths2 formulasPolynomialsClass 10 · Maths3 formulasPair of Linear Equations in Two VariablesClass 10 · Maths3 formulasQuadratic EquationsClass 10 · Maths4 formulasArithmetic ProgressionsClass 10 · Maths4 formulasTrianglesClass 10 · Maths3 formulasCoordinate GeometryClass 10 · Maths4 formulasIntroduction to TrigonometryClass 10 · Maths4 formulasSome Applications of TrigonometryClass 10 · Maths3 formulasCirclesClass 10 · Maths2 formulasAreas Related to CirclesClass 10 · Maths5 formulasSurface Areas and VolumesClass 10 · Maths4 formulasStatisticsClass 10 · Maths5 formulasProbabilityClass 10 · Maths3 formulasChemical Reactions and EquationsClass 10 · Science4 formulasAcids, Bases and SaltsClass 10 · Science4 formulasMetals and Non-metalsClass 10 · Science3 formulasCarbon and its CompoundsClass 10 · Science4 formulasLife ProcessesClass 10 · Science4 formulasControl and CoordinationClass 10 · Science0 formulasHow do Organisms Reproduce?Class 10 · Science0 formulasHeredityClass 10 · Science3 formulasLight – Reflection and RefractionClass 10 · Science6 formulasThe Human Eye and the Colourful WorldClass 10 · Science4 formulasElectricityClass 10 · Science6 formulasMagnetic Effects of Electric CurrentClass 10 · Science3 formulasOur EnvironmentClass 10 · Science2 formulasThe Rise of Nationalism in EuropeClass 10 · Social Science0 formulasNationalism in IndiaClass 10 · Social Science0 formulasThe Making of a Global WorldClass 10 · Social Science0 formulasThe Age of IndustrialisationClass 10 · Social Science0 formulasPrint Culture and the Modern WorldClass 10 · Social Science0 formulasResources and DevelopmentClass 10 · Social Science0 formulasForest and Wildlife ResourcesClass 10 · Social Science0 formulasWater ResourcesClass 10 · Social Science0 formulasAgricultureClass 10 · Social Science0 formulasMinerals and Energy ResourcesClass 10 · Social Science0 formulasManufacturing IndustriesClass 10 · Social Science0 formulasLifelines of National EconomyClass 10 · Social Science1 formulasPower SharingClass 10 · Social Science0 formulasFederalismClass 10 · Social Science0 formulasGender Religion and CasteClass 10 · Social Science0 formulasPolitical PartiesClass 10 · Social Science0 formulasOutcomes of DemocracyClass 10 · Social Science0 formulasDevelopmentClass 10 · Social Science1 formulasSectors of the Indian EconomyClass 10 · Social Science0 formulasMoney and CreditClass 10 · Social Science0 formulasGlobalisation and the Indian EconomyClass 10 · Social Science0 formulasConsumer RightsClass 10 · Social Science0 formulasPatterns in MathematicsClass 6 · Maths3 formulasLines and AnglesClass 6 · Maths3 formulasNumber PlayClass 6 · Maths2 formulasData Handling and PresentationClass 6 · Maths1 formulasPrime TimeClass 6 · Maths3 formulasPerimeter and AreaClass 6 · Maths4 formulasFractionsClass 6 · Maths3 formulasPlaying with ConstructionsClass 6 · Maths0 formulasSymmetryClass 6 · Maths0 formulasThe Other Side of ZeroClass 6 · Maths2 formulasThe Wonderful World of ScienceClass 6 · Science0 formulasDiversity in the Living WorldClass 6 · Science0 formulasMindful Eating A Path to a Healthy BodyClass 6 · Science0 formulasExploring MagnetsClass 6 · Science0 formulasMeasurement of Length and MotionClass 6 · Science0 formulasMaterials Around UsClass 6 · Science0 formulasTemperature and its MeasurementClass 6 · Science0 formulasA Journey through States of WaterClass 6 · Science0 formulasMethods of Separation in Everyday LifeClass 6 · Science0 formulasLiving Creatures Exploring their CharacteristicsClass 6 · Science0 formulasNatures TreasuresClass 6 · Science0 formulasBeyond EarthClass 6 · Science0 formulasLarge Numbers Around UsClass 7 · Maths2 formulasArithmetic ExpressionsClass 7 · Maths1 formulasA Peek Beyond the PointClass 7 · Maths2 formulasExpressions using Letter-NumbersClass 7 · Maths2 formulasParallel and Intersecting LinesClass 7 · Maths3 formulasNumber PlayClass 7 · Maths2 formulasA Tale of Three Intersecting LinesClass 7 · Maths3 formulasWorking with FractionsClass 7 · Maths3 formulasGeometric TwinsClass 7 · Maths2 formulasOperations with IntegersClass 7 · Maths2 formulasFinding Common GroundClass 7 · Maths3 formulasAnother Peek Beyond the PointClass 7 · Maths3 formulasConnecting the DotsClass 7 · Maths2 formulasConstructions and TilingsClass 7 · Maths2 formulasFinding the UnknownClass 7 · Maths2 formulasThe Ever-Evolving World of ScienceClass 7 · Science0 formulasExploring Substances Acidic Basic and NeutralClass 7 · Science1 formulasElectricity Circuits and their ComponentsClass 7 · Science0 formulasThe World of Metals and Non-metalsClass 7 · Science2 formulasChanges Around Us Physical and ChemicalClass 7 · Science1 formulasAdolescence A Stage of Growth and ChangeClass 7 · Science0 formulasHeat Transfer in NatureClass 7 · Science0 formulasMeasurement of Time and MotionClass 7 · Science2 formulasLife Processes in AnimalsClass 7 · Science0 formulasLife Processes in PlantsClass 7 · Science1 formulasLight Shadows and ReflectionsClass 7 · Science0 formulasEarth Moon and the SunClass 7 · Science0 formulasA Square and A CubeClass 8 · Maths5 formulasPower PlayClass 8 · Maths6 formulasA Story of NumbersClass 8 · Maths2 formulasQuadrilateralsClass 8 · Maths3 formulasNumber PlayClass 8 · Maths3 formulasWe Distribute Yet Things MultiplyClass 8 · Maths3 formulasProportional Reasoning 1Class 8 · Maths3 formulasFractions in DisguiseClass 8 · Maths5 formulasThe Baudhayana Pythagoras TheoremClass 8 · Maths3 formulasProportional Reasoning 2Class 8 · Maths3 formulasExploring Some Geometric ThemesClass 8 · Maths2 formulasTales by Dots and LinesClass 8 · Maths2 formulasAlgebra PlayClass 8 · Maths3 formulasAreaClass 8 · Maths4 formulasExploring the Investigative World of ScienceClass 8 · Science0 formulasThe Invisible Living World Beyond Our Naked EyeClass 8 · Science0 formulasHealth The Ultimate TreasureClass 8 · Science0 formulasElectricity Magnetic and Heating EffectsClass 8 · Science0 formulasExploring ForcesClass 8 · Science0 formulasPressure Winds Storms and CyclonesClass 8 · Science1 formulasParticulate Nature of MatterClass 8 · Science0 formulasNature of Matter Elements Compounds and MixturesClass 8 · Science0 formulasThe Amazing World of Solutes Solvents and SolutionsClass 8 · Science1 formulasLight Mirrors and LensesClass 8 · Science0 formulasKeeping Time with the SkiesClass 8 · Science0 formulasHow Nature Works in HarmonyClass 8 · Science0 formulasOur Home Earth A Unique Life Sustaining PlanetClass 8 · Science0 formulasNumber SystemsClass 9 · Maths4 formulasPolynomialsClass 9 · Maths5 formulasCoordinate GeometryClass 9 · Maths4 formulasLinear Equations in Two VariablesClass 9 · Maths3 formulasIntroduction to Euclid's GeometryClass 9 · Maths0 formulasLines and AnglesClass 9 · Maths4 formulasTrianglesClass 9 · Maths3 formulasQuadrilateralsClass 9 · Maths3 formulasCirclesClass 9 · Maths3 formulasHeron's FormulaClass 9 · Maths3 formulasSurface Areas and VolumesClass 9 · Maths5 formulasStatisticsClass 9 · Maths4 formulasMatter in Our SurroundingsClass 9 · Science2 formulasIs Matter Around Us PureClass 9 · Science1 formulasAtoms and MoleculesClass 9 · Science3 formulasStructure of the AtomClass 9 · Science3 formulasThe Fundamental Unit of LifeClass 9 · Science0 formulasTissuesClass 9 · Science0 formulasMotionClass 9 · Science4 formulasForce and Laws of MotionClass 9 · Science4 formulasGravitationClass 9 · Science4 formulasWork and EnergyClass 9 · Science4 formulasSoundClass 9 · Science3 formulasImprovement in Food ResourcesClass 9 · Science0 formulas