04/11/2026
Centennial and Glenelg Math Tournament
Registration is free and open until April 8, 2026, 11:59 PM.
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Below are the problems from the 2025 DECAGON tournament. Click on each link to download the corresponding problem set.
General Round
Algebra and Number Theory Round
Geometry Round
Combinatorics Round
Team Round
Estimathon Round
DECAGONTournament
Questions? Contact us!
