Maths Olympiad Prep

Library /HMMO

HMMO

56 problems here, rated 3.6 to 7.1 on our scale (AMC 10/12 to National Olympiad, round 2). 31 of them ask for a proof.

Algebra 11Combinatorics 18Geometry 21Number theory 6
#TopicDiffTypeYear
1 Geometry 3.6 answer 2020 open
2 Geometry 3.7 answer — open
3 Algebra 3.9 answer 2020 open
4 Number theory 4.0 answer 2020 open
5 Combinatorics 4.0 answer 2020 open
6 Geometry 4.2 answer 2020 open
7 Combinatorics 4.2 answer 2020 open
8 Geometry 4.3 answer 2020 open
9 Geometry 4.3 answer 2020 open
10 Combinatorics 4.5 answer 2020 open
11 Combinatorics 4.5 answer 2020 open
12 Combinatorics 4.6 answer 2020 open
13 Geometry 4.7 proof — open
14 Geometry 4.7 answer 2020 open
15 Geometry 4.7 proof 2020 open
16 Geometry 4.7 proof — open
17 Number theory 4.7 answer 2020 open
18 Geometry 4.8 proof 2020 open
19 Algebra 4.9 answer 2020 open
20 Number theory 5.0 proof — open
21 Algebra 5.0 proof 2020 open
22 Geometry 5.1 proof — open
23 Combinatorics 5.3 proof — open
24 Algebra 5.3 proof — open
25 Geometry 5.3 proof — open
26 Combinatorics 5.4 proof 2020 open
27 Geometry 5.4 proof 2020 open
28 Geometry 5.4 answer 2020 open
29 Algebra 5.5 answer — open
30 Geometry 5.5 proof 2020 open
31 Combinatorics 5.5 answer 2020 open
32 Number theory 5.5 proof 2020 open
33 Combinatorics 5.6 proof 2020 open
34 Combinatorics 5.7 proof — open
35 Combinatorics 5.7 proof 2020 open
36 Geometry 5.7 proof 2020 open
37 Combinatorics 5.7 answer 2020 open
38 Geometry 5.7 answer — open
39 Combinatorics 5.8 proof 2020 open
40 Geometry 5.8 answer 2020 open
41 Algebra 5.9 answer 2020 open
42 Geometry 5.9 proof — open
43 Algebra 5.9 proof — open
44 Combinatorics 6.0 proof — open
45 Combinatorics 6.0 answer — open
46 Number theory 6.1 proof — open
47 Combinatorics 6.2 answer — open
48 Algebra 6.5 proof 2020 open
49 Algebra 6.5 answer 2020 open
50 Algebra 6.7 proof — open
51 Number theory 6.8 proof 2020 open
52 Combinatorics 6.9 proof 2020 open
53 Geometry 6.9 proof — open
54 Algebra 6.9 proof 2020 open
55 Combinatorics 7.0 proof 2020 open
56 Geometry 7.1 proof 2020 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.