Custom operation — AMC & AIME Problems
Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses custom operation — a algebra 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 of these problems are used with official legal permission of the Mathematical Association of America (MAA).
AMC 8
1986 AMC 8 Problem 11 · 1987 AMC 8 Problem 21 · 1992 AMC 8 Problem 6 · 1993 AMC 8 Problem 9 · 1998 AMC 8 Problem 2 · 2000 AMC 8 Problem 17 · 2001 AMC 8 Problem 12 · 2007 AMC 8 Problem 10 · 2010 AMC 8 Problem 2 · 2016 AMC 8 Problem 10 · 2022 AMC 8 Problem 2
AMC 10
2002 AMC 10A Problem 2 · 2002 AMC 10B Problem 2 · 2003 AMC 10A Problem 6 · 2004 AMC 10A Problem 2 · 2005 AMC 10A Problem 2 · 2005 AMC 10B Problem 4 · 2006 AMC 10A Problem 2 · 2006 AMC 10B Problem 2 · 2007 AMC 10A Problem 2 · 2007 AMC 10B Problem 2 · 2008 AMC 10B Problem 5 · 2010 AMC 10A Problem 6 · 2010 AMC 10B Problem 4 · 2011 AMC 10A Problem 3 · 2011 AMC 10B Problem 15 · 2013 AMC 10B Problem 14 · 2015 AMC 10B Problem 7 · 2016 AMC 10A Problem 23 · 2016 AMC 10B Problem 2 · 2022 AMC 10B Problem 1