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04/11/2026

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Centennial and Glenelg Math Tournament

Registration is free and open until April 8, 2026, 11:59 PM.

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2026 Practice Problems

2026 Tests

Below are the problems from the 2026 DECAGON tournament. Click on each link to download the corresponding problem set.

General Round

Algebra and Number Theory Round

Geometry Round

Counting and Probability Round

Team Round

Guts Round

DECAGONTournament

Questions? Contact us!

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