Maths Olympiad Prep

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Chinese Mathematical Olympiad

18 problems here, rated 4.7 to 8 on our scale (AIME to Shortlist). 18 of them ask for a proof.

Algebra 4Combinatorics 3Geometry 5Number theory 6
#TopicDiffTypeYear
1 Combinatorics 4.7 proof — open
2 Number theory 5.3 proof — open
3 Number theory 5.5 proof — open
4 Algebra 6.0 proof — open
5 Algebra 6.3 proof — open
6 Number theory 6.4 proof — open
7 Algebra 6.4 proof — open
8 Geometry 6.6 proof — open
9 Number theory 6.8 proof — open
10 Geometry 7.1 proof — open
11 Number theory 7.2 proof — open
12 Geometry 7.2 proof — open
13 Geometry 7.4 proof — open
14 Combinatorics 7.7 proof — open
15 Number theory 7.7 proof — open
16 Combinatorics 7.9 proof — open
17 Geometry 7.9 proof — open
18 Algebra 8.0 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.