OSN Mathematics Preparation
Know exactly how OSN Mathematics works — the pattern, the marking and where it leads — then prepare with one-to-one TutorDA coaching. Full-length OSN Mathematics mock papers are on the way.
Mock papers coming soon · coaching available now
About the exam
What is OSN Mathematics?
Indonesia's national science olympiad (Olimpiade Sains Nasional) covering mathematics, physics, chemistry, and computing. The mathematics track is Indonesia's pathway to IMO team selection.
Patterns and dates can change — always confirm the latest details with the official exam body.
How TutorDA helps you prepare
Understand the pattern
Know the sections, timing and marking before you start — summarised on this page, with a link to the official source.
Get one-to-one coaching
A TutorDA tutor builds a plan around the OSN Mathematics syllabus and your current level.
Practise topic by topic
Worked examples and targeted practice on the mathematics this exam rewards most.
Take full mocks — coming soon
Full-length OSN Mathematics papers, timed and marked like the real thing, will appear here as soon as they are ready.
Mock papers
OSN Mathematics mock papers are coming soon
We are writing full-length OSN Mathematics papers in the real exam pattern, with worked solutions for every question. Until they are ready, our tutors can prepare you one-to-one — or try a mock for another exam.
When will mock tests be available?
Papers are released exam by exam. Enquire and we will tell you when OSN Mathematics mocks are ready — and help you prepare in the meantime.
Can TutorDA coach me now?
Yes. Our tutors teach the mathematics behind OSN Mathematics one-to-one, online, around your timetable.
Is this information official?
It is a summary to help you plan. Exam bodies change patterns and dates, so always check the official website before you register.
Exam details are a summary for planning — always confirm the latest pattern and dates with the official exam body.