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IMO Syllabus 2025-26 for Class 1 to 12 - Check International Mathematical Olympiad Syllabus Here
IMO Syllabus 2025-26 -Students in classes 1 to 12 who plan to take the International Mathematical Olympiad (IMO) exam must adhere to the IMO 2025-26 syllabus. The IMO 2025-26 syllabus outlines the major sections, fundamental concepts, and mark distribution. Students can plan their studies to pass the IMO exam with an understanding of the IMO syllabus 2025-26.
This Story also Contains
- IMO Syllabus for Class 1
- IMO Syllabus for Class 2
- IMO Syllabus for Class 3
- IMO Syllabus for Class 4
- IMO Syllabus for Class 5
- IMO Syllabus for Class 6
- IMO Syllabus for Class 7
- IMO Syllabus for Class 8
- IMO Syllabus for Class 9
- IMO Syllabus Class 10
- IMO Syllabus for Class 11
- IMO Syllabus for Class 12
- SOF IMO 2025-26 Syllabus & Pattern (Level 2)
In the IMO syllabus 2025-26, the topics and chapters at level I and level II remain the same, while the difficulty level rises. For sets A, B, and C of IMO level 1, the dates are November 12, November 28, and December 12, 2025. The SOF IMO level 2 exam will be conducted later for selected students of Classes 3 to 12. Read the entire article for more information about the IMO 2025-26 class syllabus.
Check out the IMO sample papers to prepare for the exams here.
IMO Syllabus for Class 1
The exam consists of 35 questions in total, which candidates must answer in one hour. Only questions from the current class will be asked in the achiever's section. For preparation, students ought to study the Class 1 NCERT textbooks. It is important to clear the IMO Olympiad syllabus at least a month before the exam. To view the Class 1 IMO 2025-26 syllabus, see the table below.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Patterns, Odd One Out, Measuring Units, Geometrical Shapes, Spatial Understanding, Grouping, Analogy, Ranking Test, Problems based on Figures. | 10 | 1 | 10 |
Section 2 -Mathematical Reasoning | Numerals, Number Names, Number Sense (2-digit numbers), Addition, Subtraction, Lengths, Weights and Comparisons, Time, Money, Geometrical Shapes and Solids. | 10 | 1 | 10 |
Section 3 -Everyday Mathematics | Syllabus as per Section-2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section-2 | 5 | 2 | 10 |
Total = 35 | Total = 40 |
Also, check IMO result 2025
IMO Syllabus for Class 2
The exam paper will contain a total of 35 questions. There will be an hour-long test. Students can consult the NCERT books for preparation. To better comprehend the IMO syllabus, students should also practise past five-year exam questions. 60% of the Level I questions will come from the Class 2 syllabus, and 40% from the Class 1 syllabus. The IMO 2025-26 syllabus for Class 2 can be seen in the table.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Patterns, Odd One Out, Measuring Units, Geometrical Shapes, Analogy, Ranking Test, Grouping of Figures, Embedded Figures, Coding-Decoding. | 10 | 1 | 10 |
Section 2 -Mathematical Reasoning | Numerals, number names, Number Sense (3-digit Numbers), Computation Operations, Length, Weight, Capacity, Time, Temperature, Money, Lines, Shapes and Solids, Pictographs, Patterns. | 10 | 1 | 10 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions- Syllabus as per Section 2. | 5 | 2 | 10 |
Total = 35 | Total = 40 |
IMO Syllabus for Class 3
There will be 35 questions in the examination, for a total score of 40. One hour will be allocated for the test. Students can refer to class 3's previous year's exam papers and NCERT textbooks for preparation. 60% of the Level I questions will come from the Class 3 syllabus, and 40% from the Class 2 syllabus. Questions from the class 3 curriculum will be included in the Achievers section. For information on the IMO 2025-26 syllabus for Class 3, see the table below.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Patterns, Analogy and Classification, Alphabet Test, Coding-Decoding, Ranking Test, Grouping of Figures and Figure Matrix, Mirror Images, Geometrical Shapes, Embedded Figures, Possible Combinations, Clock and Calendar. | 10 | 1 | 10 |
Section 2 -Mathematical Reasoning | Numerals, Number Names, Number Sense (4-digit numbers), Computation Operations, Fractions, Length, Weight, Capacity, Temperature, Time, Money, Geometry, Data Handling. | 10 | 1 | 10 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 2 | 10 |
Total = 35 | Total = 40 |
IMO Syllabus for Class 4
The examination consists of 35 questions and carries 40 marks. To prepare for this test, students can use the NCERT textbooks for classes 3 and 4. The first three sections of this test will have 60% of questions from the most recent class and 40% from the previous one. For information on the IMO 2025-26 syllabus for Class 4, check the table.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Patterns, Alphabet Test, Coding-Decoding, Ranking Test, Mirror Images, Geometrical Shapes and Solids, Embedded Figures, Direction Sense Test, Possible Combinations, Analogy and Classification, Clock and Calendar. | 10 | 1 | 10 |
Section 2 -Mathematical Reasoning | Numerals, Number Names, Number Sense (more than 4-digit numbers), Computation Operations, Fractions, Length, Weight, Capacity, Time, Money, Geometry, Perimeter of Various Shapes, Symmetry, Conversions, Data Handling. | 10 | 1 | 10 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 2 | 10 |
Total = 35 | Total = 40 |
IMO Syllabus for Class 5
There will be 50 questions in the exam, which are worth a total of 60 marks. Students must regularly practise problems from NCERT textbooks, previous examinations, and maths and reasoning workbooks to succeed on this IMO test. 60% of the level I questions will come from the class 5 syllabus and 40% from the class 4 syllabus. In the Achievers segment, only questions from the class 5 curriculum will be utilised. It is important to cover all the important topics of the International Mathematical Olympiad syllabus. The IMO 2025-26 syllabus for Class 5 may be seen in the table.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Patterns, Analogy and Classification, Geometrical Shapes, Mirror and Water Images, Direction Sense Test, Ranking Test, Alphabet Test, Logical Sequence of Words, Puzzle Test, Coding-Decoding, Clock and Calendar. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Numerals, Number Names, Number Sense (7 and 8-digit numbers), Computation Operations, Fractions and Decimals, Measurement of Length, Weight, Capacity, Time, Temperature and Money, Conversions, Geometrical Shapes and Solids, Angles, Perimeter of Various Shapes & Area of Rectangle and Square, Symmetry, Data Handling. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus for Class 6
There are 50 questions in the IMO Class 6 exam, for a total of 60 marks. Questions from both classes (5 and 6) will be asked, so students should be equipped. Taking mock tests often can also help students pinpoint their areas of strength and where they need to pay closer attention. For information on the IMO 2025-26 syllabus for Class 6, refer to the table.
Section | Topics | NO. OF Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Patterns in Mathematics, Lines and Angles, Number Play, Data Handling and Presentation, Prime Time, Perimeter and Area, Fractions, Playing with Constructions, Symmetry, The Other Side of Zero. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus for Class 7
Students get one hour to answer all 50 questions in the test, worth 60 marks. The class 7 syllabus will account for 60% of the questions, while the class 6 syllabus will account for 40%. As a result, reading the NCERT textbooks is necessary for both classes. Through their performance on mock exams, students can improve their performance at the International Mathematical Olympiad. The table below displays the IMO 2025-26 Class 7 syllabus. -
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Integers, Fractions and Decimals, Exponents and Powers, Algebraic Expressions, Simple Equations, Lines and Angles, Comparing Quantities, The Triangle and its Properties, Symmetry, Rational Numbers, Perimeter and Area, Data Handling, Visualising Solid Shapes. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus for Class 8
50 questions totalling 60 marks in the Class 8 International Mathematical Olympiad. To prepare for the IMO exam, read and practice from the NCERT Class 8 books as well as the Class 7 textbooks. Topics from the current class will make up 60% of the questions in the first three sections, while topics from the previous class will make up 40%. The table below contains information on the IMO 2025-26 Class 8 syllabus.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Rational Numbers, Squares and Square Roots, Cubes and Cube Roots, Exponents and Powers, Comparing Quantities, Algebraic Expressions, Linear Equations in One Variable, Understanding Quadrilaterals, Mensuration, Data Handling, Direct and Inverse Proportions, Factorisation, Introduction to Graphs. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | Syllabus as per Section 2. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus for Class 9
There will be 50 questions totalling 60 marks in the International Mathematical Olympiad. Students have one hour to accurately answer as many questions as they can to pass the test. It strongly encourages students to study using previous examinations and read the NCERT Class 9 Maths textbooks. Refer to the table to view the IMO 2025-26 Class 9 syllabus.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Number Systems, Polynomials, Coordinate Geometry, Linear Equations in Two Variables, Introduction to Euclid’s Geometry, Lines and Angles, Triangles, Quadrilaterals, Circles, Heron’s Formula, Surface Areas and Volumes, Statistics. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | The syllabus of this section will be based on the syllabi of Mathematical Reasoning and Quantitative Aptitude. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus Class 10
The examination consists of 50 questions spread across 4 parts. To prepare for the International Mathematical Olympiad, students should use the NCERT Class 10 Maths textbooks for exercises. There will be questions from the present class (60%) and the previous class (40%), respectively. Section 4, often known as the Achievers section, will include questions from the CBSE Class 10 syllabus. For the IMO 2025-26 syllabus for Class 10, see the table below.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Real Numbers, Polynomials, Pair of Linear Equations in Two Variables, Quadratic Equations, Arithmetic Progressions, Triangles, Coordinate Geometry, Introduction to Trigonometry, Some Applications of Trigonometry, Circles, Areas Related to Circles, Surface Areas and Volumes, Statistics, Probability. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | The syllabus of this section will be based on the syllabi of Mathematical Reasoning and Quantitative Aptitude. | 10 | 1 | 10 |
Section 4 - Achievers Section | Higher Order Thinking Questions - Syllabus as per Section 2. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus for Class 11
A student must correctly answer 50 questions for a total of 60 marks to pass the International Mathematics Olympiad. 60% of the questions will come from the class 11 syllabus, while 40% will come from the class 10 syllabus. However, in the Achievers section, only questions from the Class 11 curriculum will be asked. The NCERT Class 11 Maths books are the best sources of study material for the test. In addition to the NCERT textbooks, students will gain a great deal by tackling past year's exams and IMO practice papers. Therefore, practice as much as you can. View the syllabus for Class 11-IMO 2025-26 in the chart.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Sets, Relations and Functions, Logarithms, Complex Numbers & Quadratic Equations, Linear Inequalities, Sequences and Series, Trigonometry, Straight Lines, Conic Sections, Permutations and Combinations, Binomial Theorem, Statistics, Limits and Derivatives, Probability, Introduction to 3-D Geometry. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | The syllabus of this section will be based on the syllabus of Quantitative Aptitude. | 10 | 1 | 10 |
Section 4 - Achievers Section | Sets, Relations and Functions, Sequences and Series, Permutations and Combinations, Limits and Derivatives, Straight Lines, Circles, Parabola, Probability. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
IMO Syllabus for Class 12
The Class 12 IMO test will contain 50 questions and a total of 60 marks; it will take an hour. The NCERT Class 12 Maths books are the best instruments of preparation for Olympiad exams. Students preparing for the International Mathematical Olympiad (IMO) can refer to the CBSE 12th syllabus for greater comprehension. The one below contains the complete 12th class IMO 2025-26 syllabus.
Section | Topics | No. of Questions | Marks/Question | Total marks |
|---|---|---|---|---|
Section 1 - Logical Reasoning | Verbal and Non-Verbal Reasoning. | 15 | 1 | 15 |
Section 2 -Mathematical Reasoning | Relations and Functions, Inverse Trigonometric Functions, Matrices and Determinants, Continuity and Differentiability, Application of Derivatives, Integrals, Application of Integrals, Differential Equations, Vector Algebra, Three-Dimensional Geometry, Probability, Linear Programming. OR Numbers, Quantification, Numerical Applications, Solutions of Simultaneous Linear Equations, Matrices, Determinants, Application of Derivatives, Integration, Application of Integrations, Differential Equations, Probability, Inferential Statistics, Index numbers, Time-based data, Financial Mathematics, Linear Programming. | 20 | 1 | 20 |
Section 3 -Everyday Mathematics | The syllabus of this section will be based on the syllabus of Quantitative Aptitude. | 10 | 1 | 10 |
Section 4 - Achievers Section | Matrices, Determinants, Application of Derivatives, Integration, Application of Integrations, Differential Equations, Linear Programming, Probability. | 5 | 3 | 15 |
Total = 50 | Total = 60 |
SOF IMO 2025-26 Syllabus & Pattern (Level 2)
Students in classes 3 to 12 are the only ones who can apply for the Level II examination. Students who pass the level I test with a particular score criterion will be eligible to take the level II exam.
The prerequisites for level II test takers are as follows:
Top 5% of each class's students
Top 25 zone rank holders and class rank holders
Class toppers from each participating school where at least 10 students from a class take the exam obtain the minimum score of 50%
The IMO Syllabus 2025-26 for the level II test is similar to that for the level I exam, despite the level II exam being more challenging. The test format for the level II exam can be seen below.
| Class | Section | No. of questions | Marks per Question | Total Marks |
|---|---|---|---|---|
| 3rd & 4th | Mathematics | 30 | 1 | 30 |
| Achievers Section | 5 | 2 | 10 | |
| GRAND TOTAL | 35 | 40 | ||
| 5th to 10th | Mathematics | 45 | 1 | 45 |
| Achievers Section | 5 | 3 | 15 | |
| GRAND TOTAL | 50 | 60 | ||
| 11th & 12th | Mathematics | 25 | 1 | 25 |
| Mathematical Reasoning / Applied Mathematics | 20 | 1 | 20 | |
| Achievers Section | 5 | 3 | 15 | |
| GRAND TOTAL | 50 | 60 |
Frequently Asked Questions (FAQs)
Q: Which books should I study for IMO 2025 exam?
A:
A student must read the NCERT books for their particular class to qualify for IMO. Additionally, wrap up IMO papers from previous years to get a sense of the questions' level of difficulty.
Q: Where can I access the 2025 IMO Syllabus?
A:
The IMO 2025-26 syllabus is accessible on SOF's official website, sofworld.org.
Q: What is the SOF IMO exam?
A:
The Science Olympiad Foundation, often referred to as SOF, is the organisation that conducts the International Mathematics Olympiad (IMO) examination.
Q: Is the exam conducted only in English?
A:
Yes, the exam will only be conducted in English.
Q: What is the IMO questions' level of difficulty?
A:
The questions range from easy to quite difficult. Sections 1, 2, and 3 contain questions ranging from a medium to a high level. Higher Order Thinking Questions (HOTS) are found in Section 4.
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Questions related to IMO
On Question asked by student community
Have a question related to IMO ?
Dear Student,
Level 1 SOF admit card can be collected from their respective school authority. Online, it can be found on sofworld.org, once link is activated.
HELLO,
The SOF IMO Level 1 results for the 2025 2026 session are expected to be released in January 2026 , typically around second week of January. You can check the results directly on the official SOF website that is results.sofworld.org (//results.sofworld.org) .
Here you can visit the link to
Hello,
I have attached the link for IMO Exam results 2025 - 2026 in which you can get your Math Olympiad results, including section - by - section scores and qualifying IMO class. Kindly check the below link and find your results.
https://school.careers360.com/articles/imo-result
I hope this helps you.
Hello
You can download it from the official SOF website once it becomes available.
The IMO 2025–26 Set C official answer key hasn’t been released yet because SOF usually uploads it a few weeks after the exam
Here I am attaching a link, you can access the answersheet directly by
Hello,
You can get the IMO Set-B Answer Key 2025-26 from the Careers360 website. This website also provides previous years papers, exam patterns, marking schemes, question paper analysis, question papers along with answer keys, syllabus, important dates, preparation tips.
LINK: https://school.careers360.com/articles/imo-answer-key
I hope it helps!
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