Pattern recognition — AMC & AIME Problems

Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses Pattern recognition — a problem-solving techniques concept — each with a professionally curated solution, many with a video solution too, from LIVE by Po-Shen Loh. Browse all concepts or the full past-contest archive.

All problems are used with official legal permission of the Mathematical Association of America (MAA).

Filter by difficulty

These problems’ difficulty ratings come from real solve attempts on our platform. Tap a band or a contest to filter the list below, and tap a selected band again to include all difficulties. See the full difficulty guide.

400
800
1200
1600
2000
2400
2800
3200
AMC 8

1985 AMC 8 Problem 7 1988 AMC 8 Problem 4 1992 AMC 8 Problem 15 1993 AMC 8 Problem 24 1994 AMC 8 Problem 15 1994 AMC 8 Problem 25 1998 AMC 8 Problem 23 2002 AMC 8 Problem 11 2003 AMC 8 Problem 23 2004 AMC 8 Problem 15 2009 AMC 8 Problem 18 2020 AMC 8 Problem 4 2023 AMC 8 Problem 4 2023 AMC 8 Problem 16

More problem-solving techniques concepts

bounding to limit casescaseworkextremal argumentinductioninvariantoptimizationpairing and groupingprocess simulationsmall casessymmetrysystematic listingwork backwards