mathcounts notes
The best math program for middle school students
Thursday, November 21, 2019
2019 AMC 8 problems, solutions and some thoughts
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2019 AMC 8 problems and solutions, for students, by students A student's reflection on this year's test : Mrs. Lin, I did the A...
Sunday, July 7, 2019
2012 Harder Mathcounts State Target Questions
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Check out Mathcounts here -- the best competition math program for middle schoolers up to the state and national level. # 6: A semic...
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Monday, March 11, 2019
Hints/links or Solutions to 2014 Harder Mathcounts State Sprint and Target question
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Links, notes, Hints or/and solutions to 2014 Mathcounts state harder problems. 2014, 2015 Mathcounts state are harder Sprint round: ...
Saturday, January 5, 2019
Notes to 2018 Mathcounts chapter more interesting problems
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2018 Mathcounts Chapter Spring problems : solutions down below Thanks to a boy mathlete who tried these problems and e-mail me for feedbac...
Wednesday, October 10, 2018
Geometric mean of a right triangle
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Geometric mean of a right triangle : Video tutorial Notes Practice I Practice II : focus on the height (or altitude) Practice II...
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