Maths Olympiad Prep

Library /National Xxx Oma

National Xxx Oma

15 problems here, rated 4.6 to 7.8 on our scale (AIME to National Olympiad, round 2). 15 of them ask for a proof.

Combinatorics 9Geometry 4Number theory 2
#TopicDiffTypeYear
1 Geometry 4.6 proof — open
2 Geometry 5.2 proof — open
3 Geometry 5.3 proof — open
4 Number theory 5.6 proof — open
5 Geometry 5.7 proof — open
6 Combinatorics 5.7 proof — open
7 Combinatorics 5.9 proof — open
8 Combinatorics 6.1 proof — open
9 Combinatorics 6.3 proof — open
10 Number theory 6.5 proof — open
11 Combinatorics 6.5 proof — open
12 Combinatorics 6.7 proof — open
13 Combinatorics 7.6 proof — open
14 Combinatorics 7.7 proof — open
15 Combinatorics 7.8 proof — open
These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.