Maths Olympiad Prep

Library /CGMO

CGMO

15 problems here, rated 4.3 to 7.6 on our scale (AIME to National olympiad, round 2). 15 of them ask for a proof. Years covered: 2022–2024.

Algebra 4Combinatorics 3Geometry 4Number theory 4
#TopicDiffTypeYear
1 Geometry 4.3 proof 2022 open
2 Number theory 5.4 proof 2024 open
3 Geometry 5.8 proof 2024 open
4 Geometry 6.1 proof 2022 open
5 Combinatorics 6.3 proof 2022 open
6 Algebra 6.5 proof 2024 open
7 Algebra 6.5 proof 2024 open
8 Number theory 6.6 proof 2024 open
9 Number theory 7.0 proof 2022 open
10 Number theory 7.0 proof 2022 open
11 Geometry 7.0 proof 2024 open
12 Algebra 7.1 proof 2022 open
13 Combinatorics 7.2 proof 2024 open
14 Algebra 7.3 proof 2022 open
15 Combinatorics 7.6 proof 2024 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.