📚 Class 9 • CBSE • Mathematics

Mathematics

15 chapters — complete each to earn XP and build mastery

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1
Number Systems
Real numbers, irrational numbers, number line, laws of exponents.
Study Practice
+25 XP
2
Polynomials
Degree, zeroes, remainder theorem, factor theorem, factorisation.
Study Practice
+25 XP
3
Coordinate Geometry
Cartesian plane, plotting points, distance formula basics.
Study Practice
+25 XP
4
Linear Equations in Two Variables
Graphing, solution pairs, equations of lines.
Study Practice
+25 XP
5
Introduction to Euclid's Geometry
Axioms, postulates, theorems — foundations of geometry.
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+25 XP
6
Lines and Angles
Angle relationships, parallel lines with transversal, angle proofs.
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+25 XP
7
Triangles
Congruence, properties, inequalities in triangles.
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+25 XP
8
Quadrilaterals
Types, angle sum property, mid-point theorem.
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+25 XP
9
Areas of Parallelograms and Triangles
Figures on the same base and between parallels.
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+25 XP
10
Circles
Chords, arcs, angles subtended, cyclic quadrilaterals.
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+25 XP
11
Constructions
Bisectors, triangle constructions with given conditions.
Study Practice
+20 XP
12
Heron's Formula
Area of triangle using sides, application to quadrilaterals.
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+25 XP
13
Surface Areas and Volumes
Cube, cuboid, cylinder, cone, sphere formulas.
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+25 XP
14
Statistics
Mean, median, mode, frequency distribution, graphical representation.
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+25 XP
15
Probability
Experimental probability, events, outcomes, coin/die experiments.
Study Practice
+20 XP

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