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Tag: AMC 12
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The AMC 10 and AMC 12 Share Problems: What the Overlap Means for Your Mocks and the 10-or-12 Choice in 2026
In eight recent paper pairs, 10 to 13 of 25 problems appeared on both the AMC 10 and AMC 12 of the same date. Our count, and what it changes for mocks and the 10-or-12 choice.
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How to Put AMC Results on a US College Application: Honors, Activities, and What Each Tier Signals
AIME qualification sits at 100 on the AMC 10 for 2027. How to put AMC results in the Common App honors and activities sections so a non-US reader understands them.
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Training for the AIME, Not the AMC: What Changes When the Answer Choices Disappear
The AIME asks for 15 integer answers and, from 2027, runs as two 90-minute parts at a Pearson centre. No answer choices means backsolving stops working – and the qualifying line is now a fixed 100 or 85, not a percentile.
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AMC 10/12 Algebra, Family by Family: Quadratics, Systems, Rates and the Setups Behind Them
AMC algebra is a short list of recurring setups, not an open field. A family-by-family map of quadratics, systems, rates, sequences and exponents, with the cue that names each one.
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AMC 10/12 Number Theory, Family by Family: Divisors, Remainders, Digits and the AMC 12 Extensions
Number theory is the smallest toolkit on the AMC and the highest return per hour. A family-by-family map of divisor, remainder and digit problems, plus the AMC 12 extensions.
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The 90-Point Line: The AMC 10 and AMC 12 Achievement Awards for Younger Students (2026)
Most AMC recognition is percentile-based and moves with the field. One track does not: a fixed 90-point line for younger students, and it runs on the AMC 12 as well as the AMC 10.
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The AMC 12 Content the AMC 10 Never Tests: A Study Map for Trigonometry, Logarithms and Complex Numbers
The MAA describes the AMC 12 as adding trigonometry, advanced algebra and advanced geometry to the AMC 10 syllabus, and excluding calculus. A study map of that extra ground and the order to learn it in. A study map of the extra content and the order to learn it in.
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Stop Doing Whole Past Papers: How to Build an AMC Practice Set by Question Position
Whole past papers are a testing tool, not a training tool. How to build an AMC practice set banded by question position, and when to switch back to full timed sittings.
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AMC 10/12 Counting and Probability: The Six Question Families and the Overcounting Audit
Counting problems usually fail for one reason: the same outcome counted twice. A map of the six AMC 10/12 question families, plus a four-step audit that catches overcounting.
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The 2026 AMC 10/12 Season: Scoring Arithmetic, Award Tiers, and What the 1.5-Point Blank Rule Really Means
A correct AMC 10/12 answer is worth 6 points, a blank 1.5. That means you need a better-than-25% chance of being right before answering beats leaving it empty. The full expected-value arithmetic, the 2026 sitting dates, and the award tiers.