<p>The American Invitational Mathematics Examination (AIME) is the second stage in the MAA AMC series, inviting high-scoring AMC 10 and AMC 12 participants to a harder short-answer exam. It is one of the qualifying steps on the path to the USA Mathematical Olympiad (USAMO) and the US IMO team selection process.</p><ul><li>15 questions across 3 hours; every answer is an integer between 0 and 999.</li><li>Qualification: top-scoring AMC 10 or AMC 12 participants are automatically invited.</li><li>2026 dates: AIME I on 5 February 2026; AIME II on 11 February 2026. International students typically sit AIME II.</li><li>Administered between 1:30 pm and 5:30 pm local competition-centre time.</li><li>Students may sit the AIME only once — taking both AIME I and AIME II leads to disqualification.</li><li>Singapore registration runs via authorised AMC test centres such as Asia Maths Alliance.</li></ul>