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Class 8 — CBSE
Free, chapter-wise solutions for CBSE Class 8 English (Poorvi), Hindi (Malhar), Mathematics (Ganita Prakash, Parts 1 and 2), Science (Curiosity) and Social Science (Exploring Society: India and Beyond, Parts 1 and 2).
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Subject
Part 1Ganita Prakash · Chapters 1–7
1
A Square and A CubeSquares, square roots, cubes, cube roots, taxicab numbers
2
Power PlayExponents, laws of exponents, powers of 10, scientific notation
3
A Story of NumbersTally marks, Roman, Egyptian, Mayan, Chinese and Hindu numerals
4
QuadrilateralsRectangles, squares, parallelograms, rhombuses, kites, trapeziums
5
Number PlayParity, divisibility rules, remainders, digital roots, cryptarithms
6
We Distribute, Yet Things MultiplyDistributive property, identities, fast multiplication
7
Proportional Reasoning-1Ratios, proportion, rule of three, dividing in a ratio
Part 2Ganita Prakash · Chapters 1–7
1
Fractions in DisguisePercentages, profit and loss, discount, GST, compound growth
2
The Baudhāyana-Pythagoras TheoremDoubling a square, √2, the theorem and Baudhāyana triples
3
Proportional Reasoning-2Map ratios, three-term ratios, pie charts, inverse proportion
4
Exploring Some Geometric ThemesFractals, nets of solids, shortest paths, views of solids
5
Tales by Dots and LinesMean and median, frequency tables, line graphs
6
Algebra PlayNumber tricks, number pyramids, algebra grids, divisibility tricks
7
AreaTriangles, polygons, parallelogram, rhombus, trapezium, unit conversions
1
Exploring the Investigative World of ScienceHow to investigate like a scientist — the puri experiment
2
The Invisible Living World: Beyond Our Naked EyeCells, bacteria, fungi, yeast, Rhizobium and fermentation
3
Health: The Ultimate TreasureCommunicable diseases, immunity, vaccines and antibiotics
4
Electricity: Magnetic and Heating EffectsElectromagnets, heating effect, Voltaic and dry cells
5
Exploring ForcesContact and non-contact forces, friction, weight, buoyancy
6
Pressure, Winds, Storms, and CyclonesLiquid and air pressure, thunderstorms, lightning, cyclones
7
Particulate Nature of MatterSolids, liquids and gases; interparticle attraction
8
Nature of Matter: Elements, Compounds, and MixturesElements, compounds, mixtures, pure substances, minerals
9
The Amazing World of Solutes, Solvents, and SolutionsSolubility, saturated solutions, mass, volume and density
10
Light: Mirrors and LensesLaws of reflection, spherical mirrors and lenses
11
Keeping Time with the SkiesPhases of the Moon, calendars, leap year, satellites
12
How Nature Works in HarmonyEcosystems, food chains, food webs, decomposers
13
Our Home: Earth, a Unique Life Sustaining PlanetHabitable zone, atmosphere, reproduction, climate change
Part 1Exploring Society: India and Beyond · Chapters 1–7
1
Natural Resources and Their UseRenewable and non-renewable resources, stewardship
2
Reshaping India’s Political MapDelhi Sultanate, Vijayanagara, Mughals, Ahoms, Sikhs
3
The Rise of the MarathasShivaji Maharaj, Swarajya, Maratha navy and administration
4
The Colonial Era in IndiaEuropeans in India, famines, drain of wealth, 1857
5
Universal Franchise and India’s Electoral SystemAdult franchise, Election Commission, Lok Sabha and Rajya Sabha
6
The Parliamentary System: Legislature and ExecutiveParliament, lawmaking, Prime Minister, checks and balances
7
Factors of ProductionLand, labour, capital, entrepreneurship and technology
Part 2Exploring Society: India and Beyond · Chapters 1–8
1
World Geography: Some GlimpsesOceans, coral reefs, plateaus, deserts, rainforests, mountains
2
India’s Long Road to IndependenceSwadeshi, revolutionaries, Gandhi, Quit India, Partition
3
A Journey Through Indian ArchitectureStupas, rock-cut caves, temples, mosques, forts, tombs
4
The Role of the Judiciary in Our SocietySupreme Court, High Courts, PIL, tribunals, Lok Adalats
5
Citizenship: Rights and DutiesFundamental Rights and Duties, discrimination, inclusion
6
Dynamics of PopulationFertility, demographic transition, sex ratio, demographic dividend
7
India’s Urban LandscapeUrbanisation, city challenges, planning of Jaipur and Singapore
8
Cultural Currents: 13th to 17th CenturiesBhakti and Sufi saints, music, miniatures, women, science
Unit 1Wit and Wisdom · Chapters 1–3
1
The Wit that Won HeartsTenali Rama, sound words, compound words, if clauses
2
A Concrete ExamplePoem: Mrs. Jones’ garden, irony, pun, notice writing
3
Wisdom Paves the WayPlay: four wise men, modal verbs, letter of complaint
Unit 2Values and Dispositions · Chapters 4–6
4
A Tale of Valour: Major Somnath Sharma and the Battle of BadgamParam Vir Chakra, collective nouns, subject-verb agreement
5
Somebody’s MotherPoem: kindness, idioms with hand, diary entry
6
Verghese Kurien—I Too Had A DreamLetter to grandson, fact and opinion, dashes, its/it’s
Unit 3Mystery and Magic · Chapters 7–9
7
The Case of the Fifth WordEncyclopedia Brown, phrasal verbs, reported speech
8
The Magic Brush of DreamsPoem: Gopi and the Zamindar, meanings of draw, interjections
9
Spectacular WondersNatural wonders of India, binomials, participles, gerunds
Unit 4Environment · Chapters 10–12
10
The Cherry TreeRakesh and his tree, past tenses, punctuation, article
11
Harvest HymnPoem: Sarojini Naidu, archaic words, farming implements
12
Waiting for the RainVelu the farmer, homophones, present tenses, determiners
Unit 5Science and Curiosity · Chapters 13–15
13
Feathered FriendClaribel in space, merged words, future time
14
Magnifying GlassPoem: close observation, idioms with eye, conversation
15
Bibha Chowdhuri: The Beam of Light that Lit the Path for Women in Indian ScienceWomen in science, acronyms, passive voice, report
मल्हारNCERT हिंदी · पाठ 1–10
1
स्वदेश (कविता)गयाप्रसाद शुक्ल ‘सनेही’
2
दो गौरैया (कहानी)भीष्म साहनी
•
मित्रलाभ (पढ़ने के लिए)पंचतंत्र से
3
एक आशीर्वाद (कविता)दुष्यंत कुमार
4
हरिद्वार (पत्र)भारतेंदु हरिश्चंद्र
5
कबीर के दोहेकबीर
•
कदम मिलाकर चलना होगा (पढ़ने के लिए)अटल बिहारी वाजपेयी
6
एक टोकरी भर मिट्टी (कहानी)माधवराव सप्रे
7
मत बाँधो (कविता)महादेवी वर्मा
8
नए मेहमान (एकांकी)उदयशंकर भट्ट
9
आदमी का अनुपात (कविता)गिरिजा कुमार माथुर
10
तरुण के स्वप्न (उद्बोधन)सुभाषचंद्र बोस
•
भारति, जय, विजय करे! (पढ़ने के लिए)सूर्यकांत त्रिपाठी ‘निराला’
About Class 8 solutions
Class 8 is the last year of the middle stage. Maths covers squares and cubes, exponents, the Baudhāyana-Pythagoras theorem and area. Science looks at microbes, health, forces, matter and light. Social Science covers the Marathas, the colonial era, the freedom struggle, Parliament and the judiciary. Our answers show the working and the reasons.
Subjects in Class 8
- English (Poorvi) – 15 chapters in five units, from Wit and Wisdom to Science and Curiosity.
- Hindi (Malhar) – 10 lessons, with poems, stories, a letter, a one-act play and a speech, plus extra reading pieces.
- Mathematics (Ganita Prakash) – 14 chapters: 7 in Part 1 and 7 in Part 2.
- Science (Curiosity) – 13 chapters, from the invisible living world to Earth as a life-sustaining planet.
- Social Science (Exploring Society: India and Beyond) – 15 chapters: 7 in Part 1 and 8 in Part 2.
How to use these solutions
- Read the chapter in your NCERT book first.
- Try each question on your own.
- Then check your answer here and correct it.
- In Maths and Science, learn the steps and the reason behind them.
- Always follow the method your teacher uses in class.
Common questions
Are these solutions free?
Yes. All Class 8 solutions are free. You do not need to sign up.
Do they match the NCERT books?
Yes. They follow the current NCERT textbooks used in CBSE schools. Chapter names and their order are the same as in the book.
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I found a mistake. What should I do?
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