CBSE Class 10 · Mathematics

CBSE Class 10 Maths Board Exam Preparation

The only CBSE subject where 100/100 is genuinely achievable

Complete chapter-wise preparation guide for CBSE Class 10 Mathematics board exam. Chapter weightage, important topics, exam strategy, and study plan — everything in one place.

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Theory Marks

Practical Marks

3 hours

Exam Duration

Total Chapters

Chapter-Wise Marks Breakdown

83 theory marks

Chapter	Marks	Difficulty	Key Topics
Real Numbers	6	Easy	Euclid's Division Lemma · Fundamental Theorem of Arithmetic · Irrational Numbers
Polynomials	5	Easy	Zeros of Polynomials · Relationship between Zeros and Coefficients · Division Algorithm
Pair of Linear Equations in Two Variables	8	Medium	Graphical Method · Substitution Method · Elimination Method
Quadratic Equations	8	Medium	Factorisation · Completing the Square · Discriminant
Arithmetic Progressions	5	Medium	nth Term Formula · Sum of n Terms · Finding Common Difference
Triangles	7	Medium	Basic Proportionality Theorem (Thales' Theorem) · AA/SSS/SAS Similarity Criteria · Areas of Similar Triangles
Coordinate Geometry	6	Easy	Distance Formula · Section Formula · Area of Triangle using Coordinates
Introduction to Trigonometry	8	Medium	Trigonometric Ratios for Acute Angles · Complementary Angles · Trigonometric Identities
Some Applications of Trigonometry	4	Medium	Angle of Elevation · Angle of Depression · Heights and Distances Problems
Circles	5	Easy	Tangent to a Circle · Tangent from an External Point · Length of Tangent
Areas Related to Circles	4	Easy	Area of Sector · Area of Segment · Areas of Combinations of Plane Figures
Surface Areas and Volumes	6	Medium	Cone, Cylinder, Sphere — Total & Curved SA · Frustum of Cone · Volume of Combined Solids
Statistics	7	Easy	Mean — Direct, Assumed Mean, Step Deviation Method · Median from Grouped Data · Mode from Grouped Data
Probability	4	Easy	Classical Definition of Probability · Equally Likely Outcomes · Simple Event Problems

Exam Resources

📄Previous Year Papers →

Topics That Appear Every Year

01Euclid's Division Lemma — proof of irrationality of √2, √3, √5

02Quadratic equations — all 3 methods (factorisation, completing the square, formula)

03Trigonometric identities — sin²θ + cos²θ = 1 family, practise all 3 forms

04Heights and distances — two-building, angle of elevation and depression problems

05Surface areas and volumes of combined solids — most common 4-mark numericals

06Median from grouped data — ogive method appears every year

07Coordinate geometry — distance, section formula, area of triangle

08Similarity theorems — BPT and its converse with proofs

Study Strategy for 90+

Start with Easy chapters: Real Numbers, Polynomials, Circles, Areas Related to Circles, Statistics, Probability — high marks with minimal effort

Trigonometry carries 12 marks across 2 chapters — the most in any unit. Master all identities from memory

Master all 3 methods for Quadratic Equations — CBSE often tests a specific method

Areas Related to Circles is a short but scoring chapter — formulas for sector and segment are straightforward

Always write: Given → Formula → Substitution → Step-by-step solution → Answer with units

Attempt 2 full mock papers timed to 3 hours — step-by-step marks are easy to lose without practice

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