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Tag: AMC 10 12
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AIME 2027 Fixed Thresholds: AMC 10 100 vs AMC 12 85 Target-Setting Audit
For the 2027 AIME cycle, the fixed qualification floors are AMC 10 100 and AMC 12 85. This audit separates paper-specific raw-score targets from percentile comparisons, checks attainable totals under 6/1.5/0 scoring, and shows how to set a practice target without treating the two numbers as equivalent.
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AMC 10/12 Three-Set Venn Counting: A Region-Labeling Diagnostic for Exactly-One vs At-Least-One
Three-set counting questions on the AMC 10/12 usually break at the wording, not the formula: ‘exactly one’ and ‘at least one’ select different Venn regions. This guide gives a label-first routine, a fully checked hypothetical illustration (exactly one = 25, at least one = 38 out of 40), and a three-check audit you can run…
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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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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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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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Both AMC 10/12 Papers or Just One? How the Fixed AIME Line Changes the 2026 Second-Sitting Decision
AIME qualification is now a fixed 100 or 85, so a harder paper no longer brings a lower line. How to read your mock margin and decide on a second AMC sitting before the 10 October refund cut-off at our China-region centres.
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You Can Clear the AIME Line and Still Not Be Allowed to Sit It: The 2027 Age Rule and Accelerated Students
MAA requires 2027 AIME candidates to be 13 or over. A strong Grade 7 or 8 student can clear 100 on the AMC 10 and still be unable to sit the round it qualifies for.
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More Practice, a Better Book, or a Teacher? Matching AMC Help to the Gap You Actually Have
Most AMC plateaus are not a teaching problem. A four-question audit separates a volume gap from a syllabus gap from a diagnosis gap, and only one of them costs money.