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๐ How to Prepare for the Maths Olympiad (IMO)
The International Mathematics Olympiad (IMO) run by the Science Olympiad Foundation is taken by lakhs of Indian students every year. It rewards reasoning more than speed-reading the textbook โ which means good preparation looks a little different from normal exam revision.
Understand the paper
The Level 1 paper has four sections:
- Logical Reasoning โ series, patterns, codingโdecoding, direction sense, figure puzzles.
- Mathematical Reasoning โ the school syllabus for your class, asked in a trickier way.
- Everyday Mathematics โ money, time, measurement and word problems from daily life.
- Achievers' Section โ a few harder questions worth more marks each.
There is no negative marking, so never leave a question blank. Classes 1โ4 typically have 35 questions (40 marks) and Classes 5โ10 have 50 questions (60 marks), in 60 minutes. Always check the latest pattern on the official SOF website before your exam.
A 6-week plan
| Week | What to do |
|---|---|
| 1 | Take one full mock test cold. Note your score by section โ this is your baseline. |
| 2โ3 | Work topic by topic on your weakest section. 20โ30 minutes a day, 10 questions per topic, read every solution. |
| 4 | Logical Reasoning drills: series, odd-one-out, mirror images, counting figures. These are quick marks once the patterns click. |
| 5 | Achievers' questions and mixed section tests under time. |
| 6 | Two full mocks, timed. Review mistakes, not just scores. |
Practice strategies that make the biggest difference
- Read the question twice. Olympiad questions often hide the key word: "NOT", "except", "smallest".
- Work backwards from the options when algebra is hard โ plug each option in.
- Keep an error notebook. Write the mistake and the right method. Re-do those questions a week later.
- Time-box. About a minute per question; skip and return.
- Learn the 40% rule. Level 1 papers also include questions from the previous class, so revise last year's topics too.
Exam-day checklist
- Sleep well; the paper is about reasoning, and tired brains miss traps.
- Answer every question โ no negative marking.
- Leave 5 minutes at the end to check the OMR sheet.
Free practice
BeadBop's Maths Olympiad Prep has every syllabus topic for Classes 1โ10 plus an Advanced level, with unlimited generated questions, worked solutions and timed mock tests in the real format. Start with the free mini test to find your weak topics.
Quick answers
How many questions are there in the IMO?
Typically 35 questions (40 marks) for Classes 1โ4 and 50 questions (60 marks) for Classes 5โ10, in 60 minutes. Check the official SOF website for the current yearโs pattern.
Is there negative marking in the Maths Olympiad?
No. The SOF IMO Level 1 has no negative marking, so you should attempt every question.
How should a Class 3 child prepare for the Maths Olympiad?
Take a mock test to find weak sections, then practise 10 questions a day topic by topic, with extra time on logical reasoning. Finish with two timed full mocks in the last week.