IMO Class 11 syllabus
The IMO Class 11 syllabus for 2026-27, subject by subject: 38 topics to work through. On SkillStar, Class 11 children also get 6 mock tests marked instantly and sample papers to download.
- Class
- Class 11 (Grade 11)
- Syllabus years
- 2026-27
- Topics
- 38
- Mock tests
- 6
- Downloads
- 3
IMO Class 11 syllabus 2026-27
Logical Reasoning
- Verbal Reasoning: Reasoning with words, letters and numbers, for example series, codes and analogies.
- Non-Verbal Reasoning: Reasoning with pictures and figures, for example patterns, mirror images and hidden shapes.
Mathematical Reasoning (Mathematics)
- Sets: Collections, subsets, Venn diagrams and set operations.
- Relations and Functions: Ordered pairs, relations and functions with their domain and range.
- Logarithms: Logs as the inverse of powers and the rules for using them.
- Principle of Mathematical Induction: A step-by-step method to prove statements true for all natural numbers.
- Complex Numbers and Quadratic Equations: Numbers involving i and solving quadratics with complex roots.
- Linear Inequalities: Solving inequalities and showing solutions on a number line or graph.
- Sequences and Series: Arithmetic and geometric progressions and their sums.
- Trigonometry: Trigonometric functions of any angle and their identities.
- Straight Lines: Slope and the different forms of the equation of a line.
- Conic Sections: Circles, parabolas, ellipses and hyperbolas as curves and equations.
- Permutations and Combinations: Counting arrangements and selections systematically.
- Binomial Theorem: Expanding powers of a two-term expression.
- Statistics: Measures of spread such as variance and standard deviation.
- Limits and Derivatives: First ideas of calculus: limits and rates of change.
- Probability: Events, sample spaces and probability rules.
- Introduction to 3-D Geometry: Locating points in space using three coordinates.
Mathematical Reasoning (Applied Mathematics option)
- Numbers, Quantification and Numerical Applications: Using numbers in practical problems like ratios, averages and mixtures.
- Sets: Collections, subsets and Venn diagrams.
- Relations and Functions: Relations, functions and their graphs.
- Sequences and Series: Arithmetic and geometric progressions applied to real problems.
- Permutations and Combinations: Counting arrangements and selections.
- Mathematical Reasoning: Logical statements and valid reasoning.
- Limits, Continuity and Differentiability: Introductory calculus ideas for applied problems.
- Probability: Chance of events in everyday and business settings.
- Descriptive Statistics: Summarising data with averages and measures of spread.
- Basics of Financial Mathematics: Interest, EMIs and other money calculations.
- Straight Lines: Equations and slopes of lines.
- Circle: Equation of a circle in coordinate geometry.
- Parabola: Equation and shape of a parabola.
Everyday Mathematics
- Maths in daily life: Quantitative aptitude: number, percentage and data problems set in everyday situations.
Achievers Section
- Sets, Relations and Functions: Challenging questions on sets, relations and functions.
- Sequences and Series: Harder problems on progressions and their sums.
- Permutations and Combinations: Tougher counting and arrangement problems.
- Limits and Derivatives: Higher-order questions on limits and rates of change.
- Straight Lines, Circle and Parabola: Demanding coordinate geometry problems.
- Probability: Multi-step probability problems.
About the IMO exam
How the exam works
Mode: Offline, objective multiple-choice paper held in school during school hours; each exam date has its own paper. · Levels: Level 1: Classes 1-12, held in the student's own school. Level 2: Classes 3-12 only; qualifiers are the class-wise top 5% internationally, the top 25 per zone per class, and school class toppers (where at least 10 students of that class sat the exam and the topper scored at least 50%). Level 1 questions are about 60% from the current class syllabus and 40% from the previous class; the Achievers Section and all of Level 2 use the current class syllabus only. · Duration: 60 minutes · Questions: Level 1: Classes 1-4 have 35 questions (Logical Reasoning 10, Mathematical Reasoning 10, Everyday Mathematics 10, Achievers 5). Classes 5-12 have 50 questions (Logical Reasoning 15, Mathematical Reasoning 20, Everyday Mathematics 10, Achievers 5); for Classes 11-12 the Mathematical Reasoning section has a Mathematics or an Applied Mathematics syllabus. Level 2: Classes 3-4 have 30 Mathematics + 5 Achievers; Classes 5-10 have 45 Mathematics + 5 Achievers; Classes 11-12 have 25 Mathematics + 20 Mathematical Reasoning/Applied Mathematics + 5 Achievers. · Marking: 1 mark per question except the Achievers Section: 2 marks each for Classes 1-4 (40 marks in total) and 3 marks each for Classes 5-12 (60 marks in total). SOF's published pattern does not mention negative marking. Ties are broken by section priority: Achievers first, then Mathematical Reasoning, Everyday Mathematics, Logical Reasoning. · Language: English only
How to register
Only through the child's school: the school registers with SOF and sends the student forms, usually at least 30 days before its chosen exam date. Individual registrations are not accepted. Fee: Rs 170 per student per Olympiad incl. GST (India, Bhutan, Nepal), and schools may collect up to Rs 30 extra; US$11 elsewhere.
When it happens
Next Level 1 school dates: 26 November and 10 December 2026. Earlier dates (23 October 2026) have passed. Each school chooses one date; a future exam date does not mean registration is still open. SOF asks schools to submit registrations at least 30 days before their selected date. Level 2 is for qualifying Classes 3–12 only; SOF plans to announce the exact date by December 2026 and provisionally indicates the second or third Sunday of February 2027. This is tentative, not a confirmed exam date. Results are normally available within about 8 weeks. Status checked 1 November 2026; times are IST.
Official website, syllabus and sample papers
Links to the organiser's own pages. Past and sample papers are published there by the organiser.
Previous-year paper collection for Class 11
SOF lists a five-year IMO Level 1 eBook for this class. Purchase and a publisher account are required to download. This link opens the official collection; it is not a question-paper attachment.
IMO syllabus for other classes
IMO: guides for parents
- SOF Olympiads IMO, NSO and IEO: A Guide for Parents
How the SOF Maths, Science and English Olympiads work: classes, Level 1 and Level 2, the paper pattern, and a gentle way to help your child prepare.
6 min read
IMO Class 11: questions parents ask
- What is in the IMO Class 11 syllabus for 2026-27?
- 38 topics in Logical Reasoning, Mathematical Reasoning (Mathematics), Mathematical Reasoning (Applied Mathematics option), Everyday Mathematics and Achievers Section, laid out subject by subject on this page. On SkillStar your child can tick off each topic as they learn it.
- Are there IMO Class 11 mock tests on SkillStar?
- Yes, 6 mock tests. Each one is marked the moment your child finishes, with a question-by-question review, and can be taken again as often as they like.
- Can I download IMO Class 11 papers?
- Yes. The IMO Downloads tab on SkillStar has 3 files for this class.
- How does my child start IMO Class 11 practice?
- Sign up free as a parent, add your child with their class, and pick IMO from the exam list. Every new family gets welcome credits, lots of content costs nothing, and anything paid shows its price in credits before you decide.
- Is SkillStar the official IMO website?
- No. SkillStar is an independent practice platform and is not affiliated with, or endorsed by, the organisers of these exams. Exam names belong to their respective owners. Check dates, fees and registration with the IMO organisers.
SkillStar is an independent practice platform and is not affiliated with, or endorsed by, the organisers of these exams. Exam names belong to their respective owners.