CBSE 10th Mathematics Deleted Syllabus 2026: Check Chapter Wise Deleted Syllabus
Table of Contents
The CBSE (Central Board of Secondary Education) board has made considerable changes to the 10th grade mathematics curriculum. Since the COVID-19 pandemic, the CBSE 10th Mathematics syllabus has undergone numerous revisions to lessen academic stress. To help you concentrate on the key mathematical formulae and theorems for the CBSE Class 10 Exam 2026, some difficult subjects have been eliminated. The subjects that were dropped were either unnecessary or didn't really affect you.
To alleviate the intellectual burden on you and other students, 30% of the topics were removed. To properly prepare for the impending board exams, it is advised that you go over the CBSE Class 10 Deleted Syllabus 2026. It would be simpler for you to study every subject before the board exams if some of the curriculum were removed. One can locate the withdrawn curriculum on the official CBSE board website at cbse.gov.in. The CBSE 10th Mathematics Deleted Syllabus 2026 is available in this article for those of you who will be taking your 10th boards in the academic year 2025–2026.
Also Read: CBSE Class 10 Syllabus 2026
CBSE 10th Mathematics Deleted Syllabus 2026 - Chapter Wise
The CBSE board's official website offers the chapter-by-chapter deleted Mathematics syllabus. Of almostall of the chapters in the curriculum some topics that were not particularly important for you have been left out. The following table provides the chapter-by-chapter CBSE 10th Mathematics Deleted Syllabus 2026:
| Chapters | Deleted Topics |
|---|---|
| Real Numbers |
Euclid's division lemma Decimal representation of rational numbers in terms of terminating/non-terminating recurring decimals |
| Polynomials | Statement and simple problems on division algorithm for polynomials with real coefficients |
| Pair of Linear Equations in two variable | Simple problems on equations reducible to linear equations |
| Quadratic Equations | No topics deleted |
| Arithmetic Progressions | No topics deleted |
| Coordinate Geometry | Areas of a triangle |
| Triangles |
If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse (Proof) The triangles on each side of the perpendicular are similar to the whole triangle and to each other (Proof) The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides (Proof) In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides (Proof) In a triangle, if the square on side is equal to sum of the squares on the other two sides, the angles opposite to the first side is a right angle (Proof) |
| Circles | No topics deleted |
| Constructions | Full chapter deleted |
| Introduction to Trigonometry | No topics deleted |
| Trigonometric Identities | Trigonometric ratios of complementary angles |
| Heights and distances | No topics deleted |
| Areas related to circles | No topics deleted |
| Surface Areas and Volumes |
Frustum of a cone Problems involving converting one type of metallic solid into another and other mixed problems |
| Statistics |
Step deviation Method for finding the mean Cumulative Frequency Graph |
| Probability | No topics deleted |
CBSE 10th Mathematics Syllabus 2026 PDF
After removing a few topics, the final PDF of the mathematics syllabus is now available on the official website of the CBSE board. Every topic that is significant to you is included in the updated syllabus. The link for the CBSE 10th Mathematics Syllabus PDF is given below:
| CBSE 10th Mathematics Syllabus 2026 PDF |
Also read: CBSE Class 10 sample papers
CBSE 10th Mathematics Question Paper Pattern 2026
It is necessary for you to know the question paper pattern, to prepare for the Mathematics board exam.The highest possible score on the Mathematics question paper is 80.It is divided into five sections. Section A is composed of 20-mark multiple-choice questions (MCQ) and assertion-reason questions. Section B consists of 10 marks worth of very short answer questions. Section C contains short answer questions worth 18 marks. There are 20-mark long answer questions in Section D.Section E contains case study-based questions that are worth 12 marks. The pattern of the Mathematics question paper is given in the following table:
| Section | Number of questions | Marks Allotted |
|---|---|---|
| A | 20 | 1 mark for each question |
| B | 5 | 2 marks for each question |
| C | 6 | 3 marks for each question |
| D | 4 | 5 marks for each question |
| E | 3 | 4 marks for each question |
Also read: CBSE Class 10 exam pattern
CBSE 10th Mathematics Topics Weightage 2026
Various topics carry different weightage of marks. Comprehending the importance of every subject is crucial for preparing for the board. Focus on the things that are most important. The weightage of the various topics of Mathematics is given in the following table:
| Sections | Weightage |
|---|---|
| Number System | 7.5% |
| Algebra | 25% |
| Coordinate Geometry | 7.5% |
| Geometry | 19% |
| Trigonometry | 15% |
| Mensuration | 12% |
| Statistics and Probability | 14% |
Also read: CBSE Class 10 previous year question papers
What are the benefits of CBSE 10th Mathematics Deleted Syllabus 2026?
The benefits of the CBSE 10th Mathematics deleted syllabus 2026 are:
- Your academic stress is lessened by it.
- You are able to complete your syllabus on time.
- Less intelligent students can easily understand a syllabus that is shorter.
- You don't have to waste your time and energy on repetitive concepts and unrelated topics.
All those who intend to take the CBSE Class 10 board exams can regularly visit this page for all of the information related to the CBSE 10th Mathematics deleted syllabus 2026.
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