Home Class 9 Maths Class 9 Mathematics • Ganita Manjari (2026–27)
Explore Ganita Manjari Part I (Chapters 1–8) and Part II (Chapters 9–14), with exercise-wise solutions and detailed explanations for available chapters.
Chapter 1
Learn Cartesian coordinate systems, plotting points in quadrants, understanding axes, and locating positions.
Cartesian plane & axes Coordinates of a point (x, y) Four quadrants and signs Plotting geometric positions
Chapter 2
Explore algebraic expressions, terms, coefficients, degrees of polynomials, and linear polynomial graphs.
Degree of a polynomial Classification: monomial, binomial, trinomial Linear polynomials: ax + b Zeroes and values of polynomials
Chapter 3 Solutions being added
The World of Numbers Understand rational and irrational numbers, decimal expansions, square root representations, and number line density.
Solutions being added for this chapter.
Ganita Manjari Part I Academic Session 2026–27
Chapter 4 Solutions being added
Exploring Algebraic Identities Visualise and apply standard algebraic identities, geometric models, and factorisation of expressions.
Solutions being added for this chapter.
Ganita Manjari Part I Academic Session 2026–27
Chapter 5 Solutions being added
I’m Up and Down, and Round and Round Fascinating circle geometry, chords, symmetry, circumcircles, subtended angles, and cyclic quadrilaterals.
Solutions being added for this chapter.
Ganita Manjari Part I Academic Session 2026–27
Chapter 6
Perimeter, area of triangles using Heron's and Brahmagupta's formulas, circle sectors, and real-world measurement.
Heron's formula: √[s(s-a)(s-b)(s-c)] Brahmagupta's formula for cyclic quadrilaterals Area of sector and segments of circles Practical problem-solving
Chapter 7
Explore chance, experimental vs theoretical probability, sample spaces, event ranking, and tree diagrams.
Probability scale: 0 (impossible) to 1 (certain) Empirical vs theoretical probability Sample spaces & outcomes Tree diagrams and frequency tables
Chapter 8
Pattern recognition, sequence rules, general nth term, arithmetic and geometric progressions, and fractals.
Sequences and pattern rules Finding nth terms (tn formulas) Introduction to Arithmetic Progressions (AP) Visual and geometric patterns
Chapter 9
Explore mathematical statements, logical propositions, converses, counterexamples, and deductive reasoning.
Mathematical propositions and truth values Forming the converse of a proposition Justifying true statements with deductive reasoning Disproving false statements using counterexamples
Chapter 10 Solutions being added
How Quantities Combine: Understanding Data Understand data representation, frequency distributions, combining numerical quantities, and statistical interpretation.
Solutions being added for this chapter.
Ganita Manjari Part II Academic Session 2026–27
Chapter 11 Solutions being added
The World of Algorithms Learn step-by-step mathematical procedures, algorithmic thinking, flowcharts, and systematic problem solving.
Solutions being added for this chapter.
Ganita Manjari Part II Academic Session 2026–27
Chapter 12 Solutions being added
Quadrilaterals Investigate angle sum properties of quadrilaterals, types and properties of parallelograms, and geometric proofs.
Solutions being added for this chapter.
Ganita Manjari Part II Academic Session 2026–27
Chapter 13 Solutions being added
Two Variables, One Line Study linear equations in two variables, algebraic solutions, and graphical representations on the Cartesian plane.
Solutions being added for this chapter.
Ganita Manjari Part II Academic Session 2026–27
Chapter 14 Solutions being added
Math of Space: Surface Area and Volume Calculate surface areas and volumes of three-dimensional solids including cubes, cuboids, cylinders, cones, and spheres.
Solutions being added for this chapter.
Ganita Manjari Part II Academic Session 2026–27