mathcounts notes
The best math program for middle school students
Thursday, October 2, 2025
2016 AMC 12 A Reflection Notes from H
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2016 AMC 12A Log ✅ Correct Problems 1 → 23 ❌ Wrong Problems 24, 25 Problem 24: Had the right idea but didn’t cont...
Saturday, September 13, 2025
2017 AMC 12 B Reflection Notes from H
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2017 AMC 12B — Practice Log Quick reflections and timing notes. Q1–Q23: all correct ✅ Q22: time sink ⏳ Q24–Q25:...
Thursday, September 11, 2025
Dimentional Change Questions III: Similar Shapes
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There are numerous similar triangle questions on Mathcounts. Here are the basics: If two triangles are similar, their correspond...
Monday, September 1, 2025
9/1/2025 Student Reflection Note from H
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2018 AMC 12A Notes 🎉 😊 Only 2 Wrong — Great Job! Wrong 22: Not sure how to express...
8/31/2015 Student reflection notes from H
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2019 AMC 12B Notes Problems 20–25 → Wrong 20: Tried coordinate bash but didn’t realize AOBX is cyclic. 21: Very close...
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