CBSE · Class 9
Lessons of CBSE Class 9: simple summaries, tricks, solved examples and practice questions with answers. Reading the summaries is free.
Class 9 plan: ₹579 / yearAll tests for 1 year. Summaries and the first test of every lesson are free.
Start in the appMathematics 14 lessons
Chapter 1: Coordinates5 concepts · 12 testsChapter 2: Linear Polynomials5 concepts · 10 testsChapter 3: The World of Numbers5 concepts · 10 testsChapter 4: Algebraic Identities5 concepts · 10 testsChapter 5: Circles6 concepts · 12 testsChapter 6: Perimeter and Area6 concepts · 12 testsChapter 7: Probability5 concepts · 10 testsChapter 8: Sequences and Progressions6 concepts · 10 testsChapter 9: Propositions and Converses5 concepts · 10 testsChapter 10: Understanding Data5 concepts · 10 testsChapter 11: Algorithms5 concepts · 10 testsChapter 12: Quadrilaterals5 concepts · 12 testsChapter 13: Linear Equations in Two Variables5 concepts · 10 testsChapter 14: Surface Area and Volume5 concepts · 12 tests
Science 13 lessons
Chapter 1: Exploration: Entering the World of Secondary Science6 concepts · 10 testsChapter 2: Cell: The Building Block of Life8 concepts · 10 testsChapter 3: Tissues in Action8 concepts · 10 testsChapter 4: Describing Motion Around Us8 concepts · 10 testsChapter 5: Exploring Mixtures and their Separation8 concepts · 10 testsChapter 6: How Forces Affect Motion8 concepts · 10 testsChapter 7: Work, Energy, and Simple Machines8 concepts · 10 testsChapter 8: Journey Inside the Atom8 concepts · 10 testsChapter 9: Atomic Foundations of Matter8 concepts · 10 testsChapter 10: Sound Waves: Characteristics and Applications8 concepts · 10 testsChapter 11: Reproduction: How Life Continues8 concepts · 10 testsChapter 12: Patterns in Life: Diversity and Classification8 concepts · 10 testsChapter 13: Earth as a System: Energy, Matter, and Life8 concepts · 10 tests
Understanding Society: India and Beyond – Part 1 9 lessons
Chapter 1: Understanding Social Science5 concepts · 5 testsChapter 2: Shaping of the Earth's Surface5 concepts · 5 testsChapter 3: Atmosphere and Climate5 concepts · 5 testsChapter 4: Early Humans and Beginning of Civilisation5 concepts · 5 testsChapter 5: State and Society up to 1000 CE5 concepts · 5 testsChapter 6: Democracy5 concepts · 5 testsChapter 7: Elections5 concepts · 5 testsChapter 8: Building Blocks in Economics – The Problem of Choice5 concepts · 5 testsChapter 9: The Price Puzzle – What Drives the Market5 concepts · 5 tests
Understanding Society: India and Beyond – Part 2 6 lessons
Chapter 1: Oceans and Life6 concepts · 6 testsChapter 2: Life on Earth6 concepts · 6 testsChapter 3: Resistance and Resilience (1000–1700 CE)7 concepts · 6 testsChapter 4: Governance and Public Policy8 concepts · 6 testsChapter 5: Managing Your Personal Finances8 concepts · 6 testsChapter 6: From Ideas to Startups8 concepts · 6 tests