mathcounts notes
The best math program for middle school students
Saturday, July 12, 2025
7/12/2025 2012 AMC 12A H reflection notes
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2012 AMC 12 A Reflection Notes Correct Answers: Questions 15–21 Questions: 15, 16, 17, 18, 19, 20, 21 Note on #16: Took time on o...
Tuesday, July 8, 2025
7/8/2025 2011 AMC 12B H reflection notes
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Q16 → Wrong due to silly mistake Skipped Q20 Time-sink solution requires heavy observation and quick identification....
Expected Value Question : 2024 Mathcounts State Sprint #24 level 1.5
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Problem. Dennis rolls three fair six-sided dice, obtaining a, b, c ∈ {1,…,6}. Find \[ \mathbb{E}\!\bigl[\,|a-b|+|b-c|+|c-a|\,\bigr]. \] ...
Friday, July 4, 2025
Ay reflection notes
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Ay 5/7 1) Reviewed the attached problems and solutions and I understand them well 2) Attempted the 2024 AMC 12A in 60 minutes. I attempted...
Saturday, June 28, 2025
Ar. Student reflection notes to keep track of progress
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from a 9th grader Ar. Hello Mrs. Lin, 4/25 I hope you are well. Sorry for sending this a bit late, but I wanted to share my reflection for...
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