Library /Berkeley Math Circle Monthly Contest 5

Berkeley Math Circle Monthly Contest 5

31 problems here, rated 4.4 to 5.5 on our scale (AIME to AIME, harder). 30 of them ask for a proof.

Algebra 7Combinatorics 8Geometry 9Number theory 7

#	Topic	Diff	Type	Year
1	Geometry	4.4	proof	—	open
2	Geometry	4.4	proof	—	open
3	Number theory	4.5	proof	—	open
4	Geometry	4.5	proof	—	open
5	Algebra	4.5	answer	—	open
6	Algebra	4.7	proof	—	open
7	Number theory	4.7	proof	—	open
8	Number theory	4.7	proof	—	open
9	Geometry	4.7	proof	—	open
10	Geometry	4.7	proof	—	open
11	Geometry	4.8	proof	—	open
12	Geometry	4.8	proof	—	open
13	Number theory	4.9	proof	—	open
14	Geometry	4.9	proof	—	open
15	Algebra	4.9	proof	—	open
16	Algebra	4.9	proof	—	open
17	Algebra	4.9	proof	—	open
18	Combinatorics	5.1	proof	—	open
19	Number theory	5.1	proof	—	open
20	Number theory	5.1	proof	—	open
21	Number theory	5.2	proof	—	open
22	Combinatorics	5.2	proof	—	open
23	Combinatorics	5.2	proof	—	open
24	Combinatorics	5.3	proof	—	open
25	Algebra	5.3	proof	—	open
26	Algebra	5.4	proof	—	open
27	Geometry	5.5	proof	—	open
28	Combinatorics	5.5	proof	—	open
29	Combinatorics	5.6	proof	—	open
30	Combinatorics	5.6	proof	—	open
31	Combinatorics	5.8	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.