CBSE Class 10 Deleted Syllabus 2025-26, Subject-wise Topics
CBSE Class 10 Deleted Syllabus 2025-26: The CBSE Class 10 syllabus 2025-26 is final and will be used for the 2026 board exams. Like the last few years, the syllabus is reduced. The deleted syllabus of Class 10 is still the same. This means some topics will not be in the exam. Students should know these topics so they can focus on the right chapters.
In Maths, the deleted syllabus of Class 10 Maths removes some construction methods and a few trigonometry topics. In Science, the deleted syllabus of Class 10 Science removes chapters like Periodic Classification of Elements. In Social Science, the deleted syllabus of Class 10 SST removes some parts of history, geography, and political science.
Check below to get the deleted syllabus of CBSE syllabus 2025 in a subject-wise list. The tables show what is removed from each subject. By using the deleted syllabus of Class 10 CBSE 2025-26, students can save time and study only what is needed in the CBSE syllabus 2025-26.
Check Out: CBSE Class 10 Books
CBSE Class 10 Deleted Syllabus 2025-26 Subject-wise
Below is the subject-wise Class 10th deleted syllabus so you can focus on the important parts of the CBSE Class 10 syllabus 2025-26:-
Deleted Syllabus of Class 10 Maths
The deleted syllabus of Class 10 Maths includes several topics removed to reduce the overall load on students. Skipping these areas will help you give more time to chapters that will be tested in the 2026 exams.
|
Chapter |
Deleted Topics |
|
Real Numbers |
Euclid’s Division Lemma; Decimal representation of rational numbers (terminating/non-terminating recurring) |
|
Polynomials |
Division algorithm and its applications |
|
Pair of Linear Equations |
Graphical method; Cross-multiplication; Reducible forms |
|
Quadratic Equations |
Completing the square method |
|
Triangles |
Areas of similar triangles; Pythagoras theorem |
|
Coordinate Geometry |
Area of a triangle |
|
Trigonometry |
Trigonometric ratios of complementary angles |
|
Constructions |
Entire chapter deleted |
|
Surface Areas & Volumes |
Frustum of a cone; Solid conversions |
|
Statistics & Probability |
Cumulative frequency graph; Optional probability exercise |
Check Out: CBSE Class 10 Question Banks
Deleted Syllabus of Class 10 Science
The deleted syllabus of Class 10 Science is minimal, with only one full chapter removed:
|
Chapter |
Deleted Topics |
|
Periodic Classification of Elements |
Entire chapter removed from the syllabus |
Deleted Syllabus of Class 10 SST
The deleted syllabus of Class 10 SST focuses on selective subtopics, mainly from Geography, to make the Class 10 syllabus 2025-26 more manageable.
|
Unit / Chapter |
Deleted Topics |
|
Forest & Wildlife Resources |
Biodiversity; Asiatic Cheetah; Himalayan Yew; Vanishing forests; Project Tiger |
|
Agriculture |
Impact of globalisation on agriculture |
|
Manufacturing Industries |
Cotton, jute, sugar, iron & steel, and cement industries |
Check Out: CBSE Class 10 Previous Year Papers
Deleted Syllabus of Class 10 CBSE 2025-26 English
The deleted syllabus of Class 10 CBSE 2025-26 for English has a few removals across grammar, prose, poetry, and the supplementary reader. In grammar, topics like the use of passive voice, certain types of clauses, and prepositions are no longer part of the Class 10th deleted syllabus.
Check out the details below:-
|
Section |
Deleted Topics / Chapters |
|
Grammar |
Use of passive voice; Clauses – noun, adverb, relative; Prepositions |
|
First Flight – Prose |
The Hundred Dresses – I; The Hundred Dresses – II |
|
First Flight – Poetry |
Animals |
|
Footprints without Feet |
The Hack Driver |
Check Out: CBSE Class 10 Sample Papers
Deleted Syllabus of Class 10 CBSE 2025-26 Hindi
The deleted syllabus of Class 10 CBSE 2025-26 for Hindi includes several poems, prose pieces, and supplementary texts removed from the CBSE Class 10 syllabus 2025-26. These changes are part of the board’s effort to reduce the academic load and encourage a deeper understanding of the remaining topics.
|
Section |
Deleted Topics / Chapters |
|
काव्य खंड (Poetry Section) |
देव; सवैय्या; कविता; छाया मत छूना; कन्यादान |
|
गद्य खंड (Prose Section) |
स्त्री शिक्षा के विरोधी कुतर्कों का खंडन; मानवीय करुणा की दिव्य चमक |
|
कृतिका भाग-2 (Supplementary) |
हीठया; झुलिया हिरानी ओरामा; जॉर्ज पंचम की नाक |
Read More: CBSE Class 10 Deleted Syllabus 2024-25
How to Prepare for CBSE Class 10 2025-26?
The deleted portion of Class 10 CBSE means you can skip certain chapters and focus only on what will be tested in the board exams. With a clear plan, regular practice, and focused revision, you can score well without feeling overwhelmed:
1. Check the Updated Syllabus and Deleted Topics
First, look at the latest CBSE Class 10 syllabus 2025-26 for all subjects. Then compare it with the class 10th deleted syllabus to see which topics are removed. This will help you avoid studying chapters from the deleted portion of Class 10 CBSE that won’t come in the exam.
2. Keep the Deleted Syllabus PDF with You
Download the deleted syllabus of Class 10 PDF from the official CBSE website. Keep it saved so you can check it anytime. You can also mark the removed chapters in your books so you don’t study them by mistake.
3. Make a Simple Study Plan
After checking the updated class 10 syllabus 2025-26, make a timetable that covers all subjects. Give more time to topics you find difficult but also revise your strong topics often. This will help you finish your syllabus on time.
4. Understand the Topics Instead of Just Learning by Heart
Instead of only memorising, try to understand each topic well. Read your NCERT books carefully and solve questions based on the concepts. This is very helpful for Maths, Science, and Social Science.
5. Practise with Sample Papers and Old Papers
Solve CBSE sample papers and previous year question papers. This will help you understand the exam pattern, marking, and time management. You will also see which topics from the CBSE Class 10 syllabus 2025-26 are asked often.
6. Revise Regularly
Try to complete at least two full revisions of the CBSE Class 10 syllabus 2025-26 before the board exams. Revision helps you remember facts, formulas, and definitions better. Keep short notes with key points so you can quickly revise them later.
7. Study Regularly and Avoid Last-Minute Stress
It’s better to study a little every day instead of doing long hours at the last moment. Follow your timetable and don’t leave too many chapters for the end. Since the class 10th deleted syllabus reduces your topics, use the extra time for more revision and practice.
Also Read: CBSE Class 10 Study Timetable
CBSE Class 10 Sample Papers for 2026 Exams
CBSE has released the official Class 10 Sample Papers for the 2026 exams to help students prepare effectively. These papers cover all major subjects and come with detailed marking schemes, allowing students to understand the exam pattern and manage time efficiently. Practicing these sample papers will boost confidence and improve performance in the board examinations. Candidates can download the CBSE Class 10 Sample Papers for 2026 Exams from the table below:
CBSE Class 10 Deleted Syllabus FAQs
Q1. What is the deleted portion of Class 10 CBSE for 2025-26?
The deleted portion of Class 10 CBSE 2025-26 includes specific chapters and topics from subjects like Maths, Science, Social Science, English, and Hindi. These topics will not be part of the 2026 board exams.
Q2. Where can I download the deleted syllabus of Class 10 PDF?
You can download the official deleted syllabus of Class 10 PDF from the CBSE website. It’s best to cross-check with your school teachers to ensure you’re referring to the correct version.
Q3. Why did CBSE remove some topics from the syllabus?
The CBSE reduced the syllabus to ease the academic load on students and give them more time to understand important topics in depth.
Q4. Does the deleted syllabus apply to all CBSE schools?
Yes, the class 10th deleted syllabus applies to all CBSE-affiliated schools for the academic year 2025-26.
Q5. Will questions from the deleted portion appear in the 2026 board exam?
No, questions from the deleted portion of Class 10 CBSE will not be asked in the board exam.
