CBSE Class 10 Mathematics - Important Topics & Chapters for the 17 February 2026 Board Exam

CBSE Class 10 Maths Board Exam 2026 Important Chapters: The Central Board of Secondary Education (CBSE) has scheduled the Class 10 Mathematics Board Exam on 17 February 2026. With only one day left for the exam, students must now shift their focus from full-syllabus study to smart revision.

At this stage, preparation becomes effective only when students revise the most important chapters, repeated question types, and high-weightage concepts instead of reading everything randomly. Knowing what the examiner usually asks helps improve accuracy and saves valuable time in the examination hall.

To help students in last-minute revision, we have compiled a list of important topics and chapters from the Class 10 Mathematics syllabus that carry significant weightage in the question paper.

This list has been prepared after analysing:

• Latest CBSE marking scheme

• Previous year board papers

• Sample papers and competency-based questions

Exclusive: CBSE Class 10 Maths Sample Papet 2026 by Experts

CBSE Class 10 Maths Exam Pattern 2026

The paper pattern remains competency-based and structured as follows:

Important Chapters for Class 10 Maths Board Exam 2026

The following chapters carry the highest weightage and questions are frequently asked every year. Students must revise formulas, examples, and NCERT exercises from these chapters thoroughly.

The list of important chapters has been provided in the table above. All the chapters and units are part of the updated CBSE Class 10 Maths Syllabus 2023-2024 and have a high tendency of appearing in the upcoming CBSE Board Exams 2024. 

List of Important Topics for Class 10 Maths Board Exam 2026

The complete list of important topics for all chapters of Class 10 Maths has been provided to you below. Students should ensure that all these topics are covered and properly practised before they sit for their final tests. 

Note: Questions from these topics are frequently asked in the CBSE Board Exam and hence students should not miss these topics at any cost. 

Important Topics from Number Systems

• Real Numbers- Prime Factorisation Method, Irrational Numbers

Important Topics from Algebra

• Polynomials- Relationship Between Zeroes and Coefficients
• Pair of Linear Equations in Two Variables- Solving Pair of Equations Using Substitution Method, Solving Pair of Equations Using Elimination Method
• Quadratic Equations- Solution of Quadratic Equation By Using Factorisation Method
• Arithmetic Progressions- Entire chapter (consists of a variety of questions)

Important Topics from Coordinate Geometry 

• Coordinate Geometry - Distance Formula, Section Formula

Important Topics from Geometry

• Triangles - Similarity of Triangles/Theorems (All the theorems present in the chapter triangles are extremely important)
• Circles - Entire Chapter (Practise all the theorems/Focus on tangent-related questions)

Important Topics from Trigonometry

• Introduction to Trigonometry - Entire Chapter (forms the base for trigonometry)
• Some Applications of Trigonometry - Heights and Distances

Important Topics from Mensuration

• Areas Related to Circles- Entire Chapter (Practise all the questions)
• Surface Areas and Volumes- Calculation of Curved Surface Area and Total Surface Area of Combination of solids, Calculation of volume of Combination of Solids (cuboid, cone, cylinder, sphere, and hemisphere)

Important Topics from Statistics and Probability

• Statistics- Calculation of mean by assumed mean method, Calculation of mean by step-deviation method, Calculation of mode, Calculation of median using cf

• Probability- Entire Chapter (Practise all the questions)

Though the list of important topics has been provided to you, it is better to cover the entire syllabus for 90+ marks in the board exam. Practising the topics provided to you above will ensure that you pass the exam with an average amount of score, but if you wish to score high marks in boards, it is advisable to cover the entire syllabus and practise all the topics with utmost dedication. 

Best Reference Books for Class 10 Maths Board Exam 2026

Here’s a complete list of important reference books for Class 10 Maths Board Exam 2026, that should be used by students to strengthen their preparation. The reference books provide you with a sufficient amount of knowledge related to various chapters and a variety of questions from each one of them. 

• Class 10 Maths NCERT- This is the most important book that students should not miss out on. Each chapter and exercise from the book must be read and practised by students.
• Class 10 Maths NCERT Exemplars- Again a very important book for CBSE board exams. It consists of plenty of questions covering different topics and mark weightage
• Class 10 Mathematics by R.D.Sharma- Consists of a plethora of questions that clear your concepts and enhance your understanding of the chapter
• Previous Year Question Papers/Old Sample Papers - They are the best guide for understanding the exam pattern, typology of questions, and marking distribution. 

Students should refer to these books for preparation of the CBSE Board exams. NCERT is the most important book among all, and all the exercises from the book must be practused by students. 

CBSE Class 10 Maths Board Exam 2026: Tips to Remember

Here are a few tips that students appearing for the upcoming CBSE Class 10 Maths Board Exam 2026 should keep in mind before they sit for their final tests.

• Time Management is crucial in board exams and hence students should devise an effective strategy during the 15 minute question paper reading time provided at the start of the examination
• Don't waste your time on MCQs since it might consume a lot of time 
• Try and start the paper with long answer questions, so that you don't end up missing out on heavy marks weightage questions
• Read the instructions carefully. Some questions have internal choices. Do not answer all the questions in such cases. 
• Keep calm while calculating
• Revise the entire paper thoroughly. 

Important Resources for Preparation of CBSE Class 10 Board Exam 2026

Find some important resources for preparation for board exams 2024 in the table below. A good score requires good preparation and even better study resources. It is important for students to use updated, authentic, and useful study materials such that their overall understanding of the exam and preparation can be enhanced. Hence, students are advised to kindly use the resources attached below to get a good score in the CBSE board exams. 

• 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)
• CBSE Class 10 Maths Assertion Reason Questions 2026
• CBSE Class 10 Maths Most Repeated Questions for 2026 Exam

CBSE Board exams are knocking at the doors and it's high time to put all the efforts and dedication into its preparation. Students should wisely prepare for the exams and ensure that they get a good score in the top five subjects. It is important to acknowledge the subjects you are good at and the ones that have a scope for improvement.