Maths Olympiad Prep

Library /CIS

CIS

19 problems here, rated 4.5 to 7.5 on our scale (AIME to National Olympiad, round 2). 19 of them ask for a proof.

Algebra 3Combinatorics 5Geometry 8Number theory 3
#TopicDiffTypeYear
1 Geometry 4.5 proof — open
2 Geometry 4.5 proof — open
3 Algebra 4.5 proof — open
4 Geometry 4.7 proof — open
5 Algebra 4.7 proof — open
6 Number theory 4.7 proof — open
7 Geometry 4.7 proof — open
8 Number theory 5.0 proof — open
9 Geometry 5.1 proof — open
10 Geometry 5.4 proof — open
11 Combinatorics 5.4 proof — open
12 Geometry 5.5 proof — open
13 Algebra 5.8 proof — open
14 Number theory 5.9 proof — open
15 Combinatorics 6.4 proof — open
16 Combinatorics 6.5 proof — open
17 Geometry 7.1 proof — open
18 Combinatorics 7.3 proof — open
19 Combinatorics 7.5 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.