Class 10 Maths Chapter-Wise Marks: The Central Board of Secondary Education (CBSE) is set to begin the CBSE Class 10 Board Examinations 2026 from February 17, 2026, starting with the Mathematics paper. As the first major exam of the board schedule, Maths often sets the tone for students’ overall performance.
CBSE Class 10 Mathematics plays a crucial role in shaping a student’s final board result. To score well, students must have a clear understanding of which chapters carry higher weightage and how questions are distributed across the paper. Knowing the chapter-wise marks distribution helps students plan their preparation strategically and focus more on high-scoring topics.
This article presents a detailed chapter-wise weightage of CBSE Class 10 Maths for Board Exam 2026, prepared after analysing the official CBSE Maths Standard Sample Question Paper (2025-26) and the latest CBSE syllabus.
In this article, we provide:
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Chapter-wise weightage of CBSE Class 10 Maths
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Number of questions asked from each chapter
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Unit-wise marks distribution
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High-priority chapters for board exam preparation
This analysis will help students plan their preparation strategically and score 90+ marks in CBSE Class 10 Maths Exam 2026.
CBSE Class 10 Maths Exam Pattern 2026: Overview
Before moving to chapter-wise analysis, it is important to understand the overall structure of the CBSE Class 10 Maths board paper. Knowing the exam pattern helps students align their preparation with the marking scheme.
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The theory paper is conducted for 80 marks
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Questions are asked in multiple formats, including MCQs, case studies, short and long answers
Class 10 Maths Exam Pattern at a Glance
| Particulars | Details |
|---|---|
| Subject | Mathematics – Standard (041) |
| Total Marks | 80 |
| Time Duration | 3 Hours |
| Total Questions | 38 |
| Question Types | MCQ, VSA, SA, LA, Case Study |
CBSE Class 10 Maths Unit-Wise Weightage 2026 (As per CBSE Syllabus)
CBSE officially divides the Maths syllabus into 7 units, each carrying a fixed number of marks. This unit-wise weightage gives a clear idea of which sections dominate the paper.
Here is the official unit-wise marks distribution for CBSE Class 10 Maths:
| Unit No. | Unit Name | Marks |
|---|---|---|
| I | Number Systems | 06 |
| II | Algebra | 20 |
| III | Coordinate Geometry | 06 |
| IV | Geometry | 15 |
| V | Trigonometry | 12 |
| VI | Mensuration | 10 |
| VII | Statistics & Probability | 11 |
| Total | 80 |
CBSE Class 10 Maths Chapter-Wise Weightage 2026 (Based on Sample Paper)
The chapter-wise weightage below is derived by carefully mapping every question from the CBSE sample paper to its respective chapter. While CBSE does not release official chapter-wise marks, this analysis reflects actual exam trends.
Note: The weightage mentioned in this article is intended only to help students prioritise chapters for board exam preparation. The actual chapter-wise distribution of questions and marks in the CBSE Class 10 Board Exam may vary slightly depending on the final question paper set by CBSE.
Unit I: Number Systems (6 Marks)
Number Systems is one of the smallest units but is highly scoring. Questions are usually direct and concept-based, making this unit easy to prepare with proper practice.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 1: Real Numbers | 3–4 | 6 |
Important Topics to Prepare: Fundamental Theorem of Arithmetic; Proofs of irrationality of √2, √3, √5
Unit II: Algebra (20 Marks) – Highest Weightage Unit
Algebra is the most important unit in CBSE Class 10 Maths, contributing nearly 25% of the total paper. Questions from this unit appear in all sections, including case studies.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 2: Polynomials | 3–4 | 5 |
| Chapter 3: Pair of Linear Equations in Two Variables | 3–4 | 6 |
| Chapter 4: Quadratic Equations | 3–4 | 5 |
| Chapter 5: Arithmetic Progressions | 2–3 | 4 |
Important Topics to Prepare: Graphical and algebraic methods, Nature of roots, Word problems on AP, Case-study questions from AP
Unit III: Coordinate Geometry (6 Marks)
Coordinate Geometry questions are usually formula-based and straightforward. Regular practice ensures full marks from this unit.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 7: Coordinate Geometry | 2–3 | 6 |
Important Topics to Prepare: Distance formula, Section formula, Coordinate-based case studies
Unit IV: Geometry (15 Marks)
Geometry is a concept-heavy unit where proof-based questions are compulsory. Strong understanding of theorems is essential for scoring well here.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 6: Triangles | 4–5 | 8 |
| Chapter 10: Circles | 2–3 | 4 |
| Chapter 11: Areas Related to Circles | 1–2 | 3 |
Important Topics to Prepare: Similarity of triangles and related theorems, Pythagoras theorem and its applications, Tangents to a circle and number of tangents from an external point, Length of tangent and properties of tangents, Area of sectors and segments of a circle, Proof-based questions with proper diagrams and logical steps
Unit V: Trigonometry (12 Marks)
Trigonometry includes both theoretical identities and real-life applications. It consistently contributes double-digit marks in the board exam.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 8: Introduction to Trigonometry | 3–4 | 6 |
| Chapter 9: Applications of Trigonometry | 2–3 | 6 |
Important Topics to Prepare: Trigonometric identities, Values of trigonometric ratios, Heights and distances problems
Unit VI: Mensuration (10 Marks)
Mensuration focuses on 3-D geometry and usually includes long answer questions, making it a high-scoring but calculation-intensive unit.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 12: Surface Areas and Volumes | 3–4 | 10 |
Important Tip: Memorise all formulas, Show complete steps for full marks
Unit VII: Statistics and Probability (11 Marks)
This unit combines data handling with probability and often includes case-study based questions. Accuracy in calculation is key.
| Chapter | No. of Questions | Expected Marks |
|---|---|---|
| Chapter 13: Statistics | 3–4 | 7 |
| Chapter 14: Probability | 2–3 | 4 |
Common Question Types: Mean, median and mode; Cumulative frequency; Simple probability sums
Check CBSE Class 10 Maths Exam Pattern, Question Paper Format & Marking Scheme 2026
Most Important Chapters for CBSE Class 10 Maths 2026
Based on chapter-wise weightage and recent exam trends, students should prioritise their revision as follows:
| Priority Level | Chapters |
|---|---|
| High-Weightage Chapters |
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| Moderate-Weightage Chapters |
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| Low but Easy-Scoring Chapters |
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CBSE Class 10 Maths Chapter-Wise Weightage 2026
CBSE does not officially release chapter-wise marks. However, by analysing the CBSE Class 10 Maths Sample Question Paper (2025-26) and mapping each question to its chapter, an expected chapter-wise weightage can be derived.
The table below shows the approximate chapter-wise weightage of CBSE Class 10 Maths for Board Exam 2026.
| Chapter No. | Chapter Name | Expected Weightage (Marks) |
|---|---|---|
| Chapter 1 | Real Numbers | 6 |
| Chapter 2 | Polynomials | 5 |
| Chapter 3 | Pair of Linear Equations in Two Variables | 6 |
| Chapter 4 | Quadratic Equations | 5 |
| Chapter 5 | Arithmetic Progressions | 4 |
| Chapter 6 | Triangles | 8 |
| Chapter 7 | Coordinate Geometry | 6 |
| Chapter 8 | Introduction to Trigonometry | 6 |
| Chapter 9 | Some Applications of Trigonometry | 6 |
| Chapter 10 | Circles | 4 |
| Chapter 11 | Areas Related to Circles | 3 |
| Chapter 12 | Surface Areas and Volumes | 10 |
| Chapter 13 | Statistics | 7 |
| Chapter 14 | Probability | 4 |
| Total | 80 Marks |
Smart Preparation Strategy for Maths Board Exam 2026
A well-planned strategy can significantly boost your Maths score. Instead of studying randomly, focus on weightage-based preparation.
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Start with Algebra and Geometry
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Practice case-study questions regularly
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Revise formulas daily
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Solve CBSE sample papers and PYQs
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Focus on presentation and neat calculations
Understanding the CBSE Class 10 Maths chapter-wise weightage for Board Exam 2026 helps students prepare in a smart and structured way. This analysis, based on the official CBSE sample paper, gives a realistic idea of how marks are distributed across chapters.
By focusing more on high-weightage chapters and revising smaller ones strategically, students can confidently aim for 90+ marks in Maths.
Also Check
CBSE Class 10 Maths Chapter-Wise Important Questions 2026
CBSE Class 10 Maths Mind-Map for Quick Revision
CBSE Class 10 Maths Case Study Questions (By CBSE Board)
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