Date and time — AMC & AIME Problems

Practice every real AMC 8, AMC 10, AMC 12, and AIME problem that uses date and time — a arithmetic 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

1985 AMC 8 Problem 20 · 1986 AMC 8 Problem 5 · 1988 AMC 8 Problem 10 · 1990 AMC 8 Problem 10 · 1997 AMC 8 Problem 8 · 2002 AMC 8 Problem 5 · 2008 AMC 8 Problem 3 · 2011 AMC 8 Problem 5 · 2012 AMC 8 Problem 3 · 2014 AMC 8 Problem 10 · 2019 AMC 8 Problem 14

More arithmetic concepts

clockdecimaldistance rate and timedistributive propertyestimationexponentfactorialfractionmoneynumber baseorder of operationspercentageplace valuerateratio and proportionrelative speedrepeating decimalunit conversionwhole number operations