CBSE Class 10 Board — Complete Syllabus
The full topic list with subject breakdown, weightage, and study resources. Updated April 2026.
Subjects: Mathematics (23 topics) · Science (13 topics)
NUMBER SYSTEMS
Fundamental Theorem of Arithmetic
Weightage: 3.0% · ~1 questioneasy≈ 2h studyStatement and application of the Fundamental Theorem of Arithmetic, which states that every integer greater than 1 is either a prime number itself or can be represented as the product of prime numbers.
arithmeticnumber theoryprime factorizationProofs of irrationality of √2, √3, √5
Weightage: 3.0% · ~1 questionmedium≈ 3h studyAlgebraic proofs demonstrating the irrationality of specific square roots like √2, √3, and √5.
irrational numbersproofsnumber theory
ALGEBRA
Zeros of a polynomial
Weightage: 3.0% · ~1 questioneasy≈ 2h studyUnderstanding and finding the zeros (roots) of a polynomial.
polynomialsrootsalgebraic expressionsRelationship between zeros and coefficients of quadratic polynomials
Weightage: 4.0% · ~2 questionsmedium≈ 3h studyEstablishing and using the relationship between the zeros and the coefficients of a quadratic polynomial.
quadratic polynomialsrootsalgebraic relationsPair of linear equations in two variables - graphical method
Weightage: 4.0% · ~2 questionsmedium≈ 3h studySolving pairs of linear equations in two variables using the graphical method, including understanding consistency and inconsistency.
linear equationsgraphical solutionssystems of equationsPair of linear equations in two variables - algebraic methods
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studySolving pairs of linear equations in two variables algebraically using substitution and elimination methods, including simple situational problems.
linear equationssubstitution methodelimination methodsystems of equationsQuadratic equations - factorization and formula
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studySolving quadratic equations (with real roots) by factorization and using the quadratic formula.
quadratic equationsfactorizationquadratic formularootsQuadratic equations - nature of roots
Weightage: 3.0% · ~1 questionmedium≈ 2h studyDetermining the nature of the roots of a quadratic equation using the discriminant.
quadratic equationsdiscriminantnature of rootsArithmetic Progressions - nth term and sum
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studyDerivation and application of the formulas for the nth term and the sum of the first n terms of an Arithmetic Progression.
arithmetic progressionssequencesseriesnth termsum of terms
COORDINATE GEOMETRY
Distance formula
Weightage: 3.0% · ~1 questioneasy≈ 2h studyCalculating the distance between two points in a coordinate plane using the distance formula.
coordinate geometrydistance formulapointsSection formula
Weightage: 3.0% · ~1 questionmedium≈ 2h studyFinding the coordinates of a point that divides a line segment internally in a given ratio.
coordinate geometrysection formulainternal division
GEOMETRY
Similar Triangles - Basic Proportionality Theorem
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studyUnderstanding and proving the Basic Proportionality Theorem and its converse, and applying them to solve problems involving similar triangles.
similar trianglesbasic proportionality theoremgeometry proofsSimilar Triangles - Similarity Criteria
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studyProving similarity of triangles using different criteria (AAA, SAS, SSS) and applying these to solve geometric problems.
similar trianglessimilarity criteriageometry proofsTangents to a circle - perpendicularity to radius
Weightage: 3.0% · ~1 questionmedium≈ 2h studyProving that the tangent at any point of a circle is perpendicular to the radius through the point of contact.
circlestangentsgeometry proofsTangents to a circle - lengths from external point
Weightage: 3.0% · ~1 questionmedium≈ 2h studyProving that the lengths of tangents drawn from an external point to a circle are equal.
circlestangentsgeometry proofs
TRIGONOMETRY
Trigonometric ratios of acute angles
Weightage: 3.0% · ~1 questioneasy≈ 2h studyUnderstanding trigonometric ratios (sine, cosine, tangent, etc.) for acute angles in a right-angled triangle.
trigonometryratiosright-angled triangleTrigonometric ratios of standard angles
Weightage: 3.0% · ~1 questioneasy≈ 2h studyEvaluating trigonometric ratios for standard angles (0°, 30°, 45°, 60°, 90°).
trigonometrystandard anglesvaluesTrigonometric Identities
Weightage: 3.0% · ~1 questionmedium≈ 3h studyUnderstanding and proving basic trigonometric identities, primarily focusing on sin²A + cos²A = 1.
trigonometryidentitiesproofsHeights and Distances - Angle of Elevation and Depression
Weightage: 3.0% · ~1 questionmedium≈ 3h studySolving simple problems involving heights and distances using angles of elevation and depression (limited to 30°, 45°, 60°).
trigonometryheights and distancesangle of elevationangle of depression
MENSURATION
Areas of sectors and segments of a circle
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studyCalculating the areas of sectors and segments of a circle, with restrictions on central angles.
mensurationcirclessectorssegmentsareaSurface areas and volumes of combinations of solids
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studyCalculating surface areas and volumes of combinations of basic solids like cubes, cuboids, spheres, hemispheres, cylinders, and cones.
mensurationsurface areavolumecombinations of solids
STATISTICS AND PROBABILITY
Mean, median, and mode of grouped data
HIGH WEIGHTAGEWeightage: 5.0% · ~2 questionsmedium≈ 4h studyComputing the mean, median, and mode for grouped frequency distributions using various methods.
statisticsgrouped datameanmedianmodeProbability of events
HIGH WEIGHTAGEWeightage: 6.0% · ~3 questionsmedium≈ 4h studyUnderstanding the classical definition of probability and solving simple problems related to the likelihood of events.
probabilityeventslikelihood
Exam Insight
Probability of events (6.0%), Pair of linear equations in two variables - algebraic methods (5.0%), Quadratic equations - factorization and formula (5.0%) together make up 16.0% of the Mathematics paper. Master these topics for maximum ROI.
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