📖 Revision notes
CBSE Revision Notes
Concise chapter notes with key concepts, formulas, definitions and worked examples — across 406 chapters and growing.
Two Little HandsClass 1 · English0 formulasGreetingsClass 1 · English0 formulasPicture TimeClass 1 · English0 formulasThe Cap-seller and the MonkeysClass 1 · English0 formulasA FarmClass 1 · English0 formulasFun with PicturesClass 1 · English0 formulasThe Food We EatClass 1 · English0 formulasThe Four SeasonsClass 1 · English0 formulasAnandi's RainbowClass 1 · English0 formulasA Letter to GodClass 10 · English0 formulasNelson Mandela A Long Walk to FreedomClass 10 · English0 formulasTwo Stories about FlyingClass 10 · English0 formulasFrom the Diary of Anne FrankClass 10 · English0 formulasGlimpses of IndiaClass 10 · English0 formulasMijbil the OtterClass 10 · English0 formulasMadam Rides the BusClass 10 · English0 formulasThe Sermon at BenaresClass 10 · English0 formulasThe ProposalClass 10 · English0 formulasDust of SnowClass 10 · English0 formulasFire and IceClass 10 · English0 formulasA Tiger in the ZooClass 10 · English0 formulasHow to Tell Wild AnimalsClass 10 · English0 formulasThe Ball PoemClass 10 · English0 formulasAmandaClass 10 · English0 formulasThe TreesClass 10 · English0 formulasFogClass 10 · English0 formulasThe Tale of Custard the DragonClass 10 · English0 formulasFor Anne GregoryClass 10 · English0 formulasA Triumph of SurgeryClass 10 · English0 formulasThe Thiefs StoryClass 10 · English0 formulasThe Midnight VisitorClass 10 · English0 formulasA Question of TrustClass 10 · English0 formulasFootprints without FeetClass 10 · English0 formulasThe Making of a ScientistClass 10 · English0 formulasThe NecklaceClass 10 · English0 formulasBholiClass 10 · English0 formulasThe Book That Saved the EarthClass 10 · English0 formulasGrammar and Writing SkillsClass 10 · English1 formulasReal 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 formulasThe Fun They HadClass 9 · English0 formulasThe Sound of MusicClass 9 · English0 formulasThe Little GirlClass 9 · English0 formulasA Truly Beautiful MindClass 9 · English0 formulasThe Snake and the MirrorClass 9 · English0 formulasMy ChildhoodClass 9 · English0 formulasReach for the TopClass 9 · English0 formulasKathmanduClass 9 · English0 formulasIf I Were YouClass 9 · English0 formulasThe Road Not TakenClass 9 · English0 formulasWindClass 9 · English0 formulasRain on the RoofClass 9 · English0 formulasThe Lake Isle of InnisfreeClass 9 · English0 formulasA Legend of the NorthlandClass 9 · English0 formulasNo Men Are ForeignClass 9 · English0 formulasOn Killing a TreeClass 9 · English0 formulasA Slumber Did My Spirit SealClass 9 · English0 formulasThe Lost ChildClass 9 · English0 formulasThe Adventures of TotoClass 9 · English0 formulasIswaran the StorytellerClass 9 · English0 formulasIn the Kingdom of FoolsClass 9 · English0 formulasThe Happy PrinceClass 9 · English0 formulasWeathering the Storm in ErsamaClass 9 · English0 formulasThe Last LeafClass 9 · English0 formulasA House Is Not a HomeClass 9 · English0 formulasThe BeggarClass 9 · English0 formulasGrammar and Writing SkillsClass 9 · English2 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 formulasThe French RevolutionClass 9 · Social Science0 formulasSocialism in Europe and the Russian RevolutionClass 9 · Social Science0 formulasNazism and the Rise of HitlerClass 9 · Social Science0 formulasForest Society and ColonialismClass 9 · Social Science0 formulasPastoralists in the Modern WorldClass 9 · Social Science0 formulasIndia Size and LocationClass 9 · Social Science0 formulasPhysical Features of IndiaClass 9 · Social Science0 formulasDrainageClass 9 · Social Science0 formulasClimateClass 9 · Social Science0 formulasNatural Vegetation and WildlifeClass 9 · Social Science0 formulasPopulationClass 9 · Social Science1 formulasWhat is Democracy Why DemocracyClass 9 · Social Science0 formulasConstitutional DesignClass 9 · Social Science0 formulasElectoral PoliticsClass 9 · Social Science0 formulasWorking of InstitutionsClass 9 · Social Science0 formulasDemocratic RightsClass 9 · Social Science0 formulasThe Story of Village PalampurClass 9 · Social Science0 formulasPeople as ResourceClass 9 · Social Science0 formulasPoverty as a ChallengeClass 9 · Social Science0 formulasFood Security in IndiaClass 9 · Social Science0 formulasস্বরবর্ণ চেনাClass 1 · 0 formulasব্যঞ্জনবর্ণ চেনাClass 1 · 0 formulasকার-চিহ্নClass 1 · 0 formulasবর্ণ জুড়ে শব্দClass 1 · 0 formulasছবি দেখে শব্দ চেনাClass 1 · 0 formulasছড়া পড়িClass 1 · 0 formulasছোটো গল্প পড়িClass 1 · 0 formulasযুক্তবর্ণ পরিচয়Class 1 · 0 formulasThe English AlphabetClass 1 · English0 formulasCapital and Small LettersClass 1 · English0 formulasBeginning SoundsClass 1 · English0 formulasWords Around UsClass 1 · English0 formulasNaming AnimalsClass 1 · English0 formulasSimple SentencesClass 1 · English0 formulasDays of the WeekClass 1 · English0 formulasReading AloudClass 1 · English0 formulasসংখ্যা চেনা (১–৯)Class 1 · 0 formulasশূন্য (০)Class 1 · 0 formulasগোনা ও মেলানোClass 1 · 0 formulasছোটো-বড়ো, কম-বেশিClass 1 · 0 formulasক্রম: আগে ও পরেClass 1 · 0 formulasসংখ্যা: ১০ থেকে ২০Class 1 · 0 formulasদশক ও এককClass 1 · 0 formulasযোগClass 1 · 0 formulasবিয়োগClass 1 · 0 formulasআকার ও আকৃতিClass 1 · 0 formulasপ্যাটার্নClass 1 · 0 formulasযুক্তবর্ণ ও তার ব্যবহারClass 2 · 0 formulasশব্দার্থClass 2 · 0 formulasবিপরীত শব্দClass 2 · 0 formulasএক ও একাধিক (বচন)Class 2 · 0 formulasনাম-শব্দ চেনাClass 2 · 0 formulasবাক্য গঠনClass 2 · 0 formulasযতিচিহ্নClass 2 · 0 formulasগল্প পড়ে বুঝিClass 2 · 0 formulasNaming WordsClass 2 · 0 formulasA, An and TheClass 2 · 0 formulasThis and ThatClass 2 · 0 formulasOne and ManyClass 2 · 0 formulasAction WordsClass 2 · 0 formulasMaking SentencesClass 2 · 0 formulasMonths of the YearClass 2 · 0 formulasReading a Short PassageClass 2 · 0 formulasসংখ্যা: ১ থেকে ১০০Class 2 · 0 formulasশতক, দশক ও এককClass 2 · 0 formulasসংখ্যার তুলনা ও ক্রমClass 2 · 0 formulasযোগ (হাতে রেখে)Class 2 · 0 formulasবিয়োগ (ধার করে)Class 2 · 0 formulasগুণের ধারণাClass 2 · 0 formulasনামতাClass 2 · 0 formulasভাগের ধারণাClass 2 · 0 formulasপরিমাপ: দৈর্ঘ্য ও ওজনClass 2 · 0 formulasটাকা-পয়সাClass 2 · 0 formulasসময় ও দিনপঞ্জিClass 2 · 0 formulasসমার্থক শব্দClass 3 · 0 formulasবিপরীত শব্দClass 3 · 0 formulasশব্দার্থ ও বানানClass 3 · 0 formulasলিঙ্গClass 3 · 0 formulasনাম, কাজ ও গুণ-শব্দClass 3 · 0 formulasকর্তা, কর্ম ও ক্রিয়াClass 3 · 0 formulasবাক্য রচনাClass 3 · 0 formulasপড়ে বুঝিClass 3 · 0 formulasDescribing WordsClass 3 · 0 formulasPronounsClass 3 · 0 formulasAm, Is, AreClass 3 · 0 formulasHas and HaveClass 3 · 0 formulasOpposite WordsClass 3 · 0 formulasDays of the WeekClass 3 · 0 formulasMaking SentencesClass 3 · 0 formulasReading a PassageClass 3 · 0 formulasআমাদের শরীরClass 3 · 0 formulasআমাদের খাদ্যClass 3 · 0 formulasআমাদের পোশাকClass 3 · 0 formulasআমাদের ঘরবাড়িClass 3 · 0 formulasআমাদের পরিবারClass 3 · 0 formulasগাছপালাClass 3 · 0 formulasপশুপাখিClass 3 · 0 formulasজল ও বাতাসClass 3 · 0 formulasপরিচ্ছন্নতা ও সুস্থতাClass 3 · 0 formulasসংখ্যা: ১ থেকে ১০০০Class 3 · 0 formulasস্থানীয় মান: হাজারClass 3 · 0 formulasসংখ্যার তুলনা ও ক্রমClass 3 · 0 formulasযোগClass 3 · 0 formulasবিয়োগClass 3 · 0 formulasগুণClass 3 · 0 formulasভাগClass 3 · 0 formulasভগ্নাংশ: অর্ধেক ও সিকিClass 3 · 0 formulasপরিমাপClass 3 · 0 formulasটাকা-পয়সাClass 3 · 0 formulasসময় ও দিনপঞ্জিClass 3 · 0 formulasসবার আমি ছাত্রClass 4 · 0 formulasনরহরি দাসClass 4 · 0 formulasকোথাও আমারClass 4 · 0 formulasতোত্তো-চানের অ্যাডভেঞ্চারClass 4 · 0 formulasবনভোজনClass 4 · 0 formulasছেলেবেলার দিনগুলিClass 4 · 0 formulasমালগাড়িClass 4 · 0 formulasবনের খবরClass 4 · 0 formulasবিচিত্র সাধClass 4 · 0 formulasআমাজনের জঙ্গলেClass 4 · 0 formulasআমি সাগর পাড়ি দেবোClass 4 · 0 formulasদক্ষিণমেরু অভিযানClass 4 · 0 formulasআলোClass 4 · 0 formulasবর্ষার প্রার্থনাClass 4 · 0 formulasবিশেষ্য ও সর্বনামClass 4 · 0 formulasবিশেষণ ও ক্রিয়াClass 4 · 0 formulasলিঙ্গ ও বচনClass 4 · 0 formulasসমার্থক ও বিপরীত শব্দClass 4 · 0 formulasবাগধারাClass 4 · 0 formulasযুক্তবর্ণ ও বানানClass 4 · 0 formulasবাক্যের প্রকারClass 4 · 0 formulasপড়ে বুঝিClass 4 · 0 formulasCommon & Proper NounsClass 4 · 0 formulasPossessive PronounsClass 4 · 0 formulasAdjectivesClass 4 · 0 formulasVerbs: Present ContinuousClass 4 · 0 formulasAdverbsClass 4 · 0 formulasPrepositionsClass 4 · 0 formulasWas and WereClass 4 · 0 formulasReading a PassageClass 4 · 0 formulasজীবজগৎ ও জড়জগৎClass 4 · 0 formulasপ্রাণীদের বৈচিত্র্যClass 4 · 0 formulasগাছপালার বৈচিত্র্যClass 4 · 0 formulasজড়বস্তুর ধর্মClass 4 · 0 formulasআমাদের দাঁত ও হজমClass 4 · 0 formulasশ্বাসকার্যClass 4 · 0 formulasআবহাওয়াClass 4 · 0 formulasআমাদের আকাশClass 4 · 0 formulasসম্পদ ও জীবিকাClass 4 · 0 formulasবড়ো সংখ্যাClass 4 · 0 formulasস্থানীয় মান: দশ হাজারClass 4 · 0 formulasযোগ ও বিয়োগClass 4 · 0 formulasগুণClass 4 · 0 formulasভাগClass 4 · 0 formulasগুণিতক ও উৎপাদকClass 4 · 0 formulasভগ্নাংশClass 4 · 0 formulasপরিমাপClass 4 · 0 formulasটাকা-পয়সাClass 4 · 0 formulasসময় ও দিনপঞ্জিClass 4 · 0 formulasজ্যামিতিClass 4 · 0 formulasপদ পরিচয় ও অব্যয়Class 5 · 0 formulasক্রিয়ার কালClass 5 · 0 formulasসন্ধিClass 5 · 0 formulasউপসর্গ ও প্রত্যয়Class 5 · 0 formulasবিরামচিহ্নClass 5 · 0 formulasউদ্দেশ্য ও বিধেয়Class 5 · 0 formulasপ্রবাদ-প্রবচনClass 5 · 0 formulasপড়ে বুঝিClass 5 · 0 formulasSubject & PredicateClass 5 · 0 formulasKinds of NounsClass 5 · 0 formulasSubject & Object PronounsClass 5 · 0 formulasSimple Past TenseClass 5 · 0 formulasSimple Future TenseClass 5 · 0 formulasArticles: a, an, theClass 5 · 0 formulasConjunctionsClass 5 · 0 formulasReading a PassageClass 5 · 0 formulasকঙ্কাল ও সন্ধিClass 5 · 0 formulasসুস্থ থাকা ও রোগClass 5 · 0 formulasমাটিClass 5 · 0 formulasজল ও জলাভূমিClass 5 · 0 formulasজীববৈচিত্র্যClass 5 · 0 formulasবড়ো সংখ্যা ও স্থানীয় মানClass 5 · 0 formulasযোগ ও বিয়োগClass 5 · 0 formulasগুণClass 5 · 0 formulasভাগClass 5 · 0 formulasগুণিতক ও উৎপাদকClass 5 · 0 formulasভগ্নাংশClass 5 · 0 formulasদশমিকClass 5 · 0 formulasপরিমাপClass 5 · 0 formulasপরিসীমা ও ক্ষেত্রফলClass 5 · 3 formulasজ্যামিতিClass 5 · 0 formulasটাকা-পয়সাClass 5 · 0 formulas