Maths Olympiad Prep

Library /China Girls' Mathematical Olympiad

China Girls' Mathematical Olympiad

55 problems here, rated 4.8 to 8.1 on our scale (AIME to Shortlist). 55 of them ask for a proof.

Algebra 10Combinatorics 15Geometry 22Number theory 8
#TopicDiffTypeYear
1 Number theory 4.8 proof — open
2 Number theory 4.8 proof — open
3 Combinatorics 4.9 proof — open
4 Algebra 5.1 proof — open
5 Algebra 5.1 proof — open
6 Combinatorics 5.2 proof — open
7 Algebra 5.4 proof — open
8 Geometry 5.4 proof — open
9 Geometry 5.4 proof — open
10 Geometry 5.6 proof — open
11 Combinatorics 5.7 proof — open
12 Geometry 5.7 proof — open
13 Algebra 5.7 proof — open
14 Geometry 5.7 proof — open
15 Combinatorics 5.7 proof — open
16 Number theory 5.7 proof — open
17 Geometry 5.8 proof — open
18 Geometry 5.9 proof — open
19 Geometry 5.9 proof — open
20 Geometry 6.0 proof — open
21 Geometry 6.0 proof — open
22 Number theory 6.0 proof — open
23 Number theory 6.0 proof — open
24 Combinatorics 6.2 proof — open
25 Geometry 6.2 proof — open
26 Geometry 6.2 proof — open
27 Algebra 6.3 proof — open
28 Combinatorics 6.3 proof — open
29 Geometry 6.3 proof — open
30 Algebra 6.4 proof — open
31 Number theory 6.4 proof — open
32 Number theory 6.4 proof — open
33 Geometry 6.5 proof — open
34 Geometry 6.5 proof — open
35 Geometry 6.6 proof — open
36 Geometry 6.6 proof — open
37 Geometry 6.6 proof — open
38 Algebra 6.7 proof — open
39 Combinatorics 6.7 proof — open
40 Combinatorics 6.7 proof — open
41 Geometry 6.7 proof — open
42 Combinatorics 6.8 proof — open
43 Combinatorics 6.9 proof — open
44 Combinatorics 7.0 proof — open
45 Geometry 7.1 proof — open
46 Combinatorics 7.2 proof — open
47 Number theory 7.2 proof — open
48 Geometry 7.3 proof — open
49 Combinatorics 7.3 proof — open
50 Geometry 7.4 proof — open
51 Algebra 7.5 proof — open
52 Combinatorics 7.5 proof — open
53 Algebra 7.5 proof — open
54 Combinatorics 7.7 proof — open
55 Algebra 8.1 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.