News & Guides
The latest on the AMC
Exam dates, registration, preparation and results for the AMC 8, 10, 12, AIME and the China region.
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AMC to AIME Preparation: Balance the Last Month Before AMC With the Next Stage
With fixed AIME qualification lines for 2027, students must balance final AMC preparation with early AIME strategy. This guide details how to allocate time based on current score bands, explains the structural differences between the two exams, and clarifies the China-US format divide for families sitting in different regions.
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AMC 10/12 Confidence Calibration: Why a Correct Guess Still Needs Review
A correct guess on the AMC 10/12 earns full points, but hides real gaps in understanding. Learn how to audit your confidence, spot lucky guesses, and turn them into reliable skills before AIME season.
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AMC Mock Test Review: Separate a Knowledge Gap From a Pacing Failure
Learn how to diagnose whether your AMC score is limited by missing concepts or poor time management using structured mock test review methods.
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AMC 10 Digit Problems: Carrying, Place Value and Hidden Integer Constraints
A focused guide on solving AMC 10 digit problems by mastering carrying logic and place value constraints. Includes worked teaching illustrations, a diagnostic table for common errors, and preparation strategies aligned with the 2026-27 competition reforms.
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AMC 12 Complex Roots: Turning Algebra Into a Geometry Diagram
Master AMC 12 complex number problems by converting algebraic conditions into geometric insights on the Argand plane. Learn how to visualize roots, moduli, and arguments to solve high-difficulty questions efficiently.
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AMC 10 Conditional Probability: Changing the Sample Space After New Information
Master conditional probability for AMC 10 by learning to shrink the sample space. This guide offers worked teaching illustrations, common pitfalls, and a practice strategy.
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USAMO Past Papers: Is Proof-Based Practice the Right Next Step After AIME?
Students aiming for USAMO often struggle to find past papers. This article explains why USAMO proof-based resources are often harder to locate than AMC/AIME materials and outlines practical training paths using alternative materials.
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AMC 10 Past Papers vs AMC 12 Past Papers: The Content Split That Makes Some Years Misleading for Your Level
AMC 12 past papers contain trigonometry, logarithms, and complex numbers that AMC 10 never tests. Learn how to filter problems so your practice time matches your actual exam level.
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AIME Past Papers: Choosing a Practice Set and Checking Solution Coverage
Strategic guide for selecting AIME past papers to match your current AMC score band, ensuring efficient preparation for the 2026 season.
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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.