My country participated in the IMO for the first time earlier this year and we came out a respectable 100 out of 101 countries. Not because they were not smart enough, but they had no training. Where can I find materials for IMO preparation? I might be teaching in a high school soon

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TopNewestCongrats! It's extremely exciting for new countries to join the IMO. It certainly takes time to build up a population of students that can help encourage each other to grow and learn. I would suggest exposing them to Brilliant, which would help them identify areas that they should work on to improve.

I suggest that you leverage on the Brilliant Wiki. Not only are there explanations of the techniques, but there are also interesting problems for them to work on, which will help them to better understand how to apply such approaches. You can start them on topics like Induction, AM-GM, Modular Arithmetic, Factors of an Integer, Pigeonhole Principle, etc.

For those who are familiar with these topics, they can explore further down the map, into techniques like Non-standard Induction, Cauchy Schwarz Inequality, Fermat's Method of Infinite Descent, Vieta Root Jumping, etc.

The community is actively contributing to these wikis, and they will become a powerful resource for those who would like to learn more.

All the best working with the students in your school! May they come to enjoy mathematics and appreciate its beauty. – Calvin Lin Staff · 2 years, 3 months ago

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– Ceesay Muhammed · 2 years, 2 months ago

Thanks a lot! I've been checking them out. They're quite detailed. I'll try to compile them all.Log in to reply

– Curtis Clement · 2 years, 2 months ago

I personally have brought books from UKMT and AOPS (Art of problem solving) and I would say that they provide good resources (along-side internet resources).Log in to reply

– Ceesay Muhammed · 2 years, 2 months ago

Yes. I tried the AOPS website. It's really goodLog in to reply

If possible, can u post your national olympiad paper ? I guess you have had only one national olympiad till now since your country is participating for the first time in IMO – Shrihari B · 2 years, 2 months ago

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– Ceesay Muhammed · 2 years, 2 months ago

I am not aware of any national olympiad, but I will try to find outLog in to reply