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.
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
AMC 10
2000 AMC 10 Problem 6 • 2000 AMC 10 Problem 12 • 2001 AMC 10 Problem 11 • 2002 AMC 10A Problem 22 • 2003 AMC 10A Problem 16 • 2003 AMC 10A Problem 23 • 2004 AMC 10A Problem 8 • 2004 AMC 10A Problem 24 • 2004 AMC 10B Problem 19 • 2005 AMC 10B Problem 11 • 2006 AMC 10B Problem 18 • 2008 AMC 10A Problem 24 • 2009 AMC 10A Problem 5 • 2011 AMC 10A Problem 17 • 2011 AMC 10A Problem 23 • 2012 AMC 10A Problem 14 • 2013 AMC 10B Problem 13 • 2014 AMC 10A Problem 20 • 2015 AMC 10A Problem 3 • 2015 AMC 10B Problem 24 • 2017 AMC 10A Problem 13 • 2018 AMC 10B Problem 8 • 2018 AMC 10B Problem 20 • 2020 AMC 10B Problem 13 • 2020 AMC 10B Problem 15 • 2021 AMC 10B Spring Problem 8 • 2021 AMC 10B Fall Problem 22 • 2022 AMC 10A Problem 18 • 2023 AMC 10B Problem 6 • 2023 AMC 10B Problem 8 • 2024 AMC 10A Problem 10 • 2025 AMC 10A Problem 5 • 2025 AMC 10A Problem 19 • 2025 AMC 10B Problem 2
AMC 12
1951 AMC 12 Problem 41 • 1952 AMC 12 Problem 28 • 1952 AMC 12 Problem 40 • 1957 AMC 12 Problem 15 • 1959 AMC 12 Problem 33 • 1961 AMC 12 Problem 28 • 1974 AMC 12 Problem 9 • 1975 AMC 12 Problem 15 • 1976 AMC 12 Problem 25 • 1979 AMC 12 Problem 7 • 1979 AMC 12 Problem 14 • 1980 AMC 12 Problem 25 • 1984 AMC 12 Problem 11 • 1985 AMC 12 Problem 9 • 1985 AMC 12 Problem 29 • 1989 AMC 12 Problem 10 • 1989 AMC 12 Problem 23 • 2000 AMC 12 Problem 8 • 2002 AMC 12A Problem 21 • 2004 AMC 12B Problem 12 • 2004 AMC 12B Problem 25 • 2005 AMC 12B Problem 10 • 2008 AMC 12B Problem 2 • 2011 AMC 12A Problem 8 • 2012 AMC 12B Problem 7 • 2014 AMC 12A Problem 16 • 2014 AMC 12A Problem 23 • 2015 AMC 12B Problem 20 • 2016 AMC 12B Problem 7 • 2017 AMC 12A Problem 7 • 2021 AMC 12A Spring Problem 8 • 2022 AMC 12A Problem 19 • 2022 AMC 12B Problem 23 • 2025 AMC 12B Problem 2
AIME
1985 AIME Problem 5 • 1988 AIME Problem 2 • 1988 AIME Problem 6 • 1989 AIME Problem 8 • 1996 AIME Problem 9 • 2000 AIME I Problem 15 • 2001 AIME II Problem 3 • 2002 AIME I Problem 12 • 2004 AIME II Problem 9 • 2010 AIME I Problem 2 • 2012 AIME II Problem 11 • 2014 AIME II Problem 15 • 2015 AIME I Problem 14 • 2017 AIME I Problem 3 • 2018 AIME II Problem 2 • 2020 AIME II Problem 6 • 2025 AIME II Problem 12