mathcounts notes

The best math program for middle school students

Monday, November 7, 2016

How Many Zeros?

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Problems: (Solutions below.) #1. 2003 Chapter Team # 7 --How many zeros are at the end of (100!)(200!)(300!) when multiplied out? #2. H...
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Wednesday, October 26, 2016

2014 AMC 8 Results , Problems, Answer key and Detailed Solutions.

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E-mail me if you want to join my group lessons for Mathcounts/AMCs prep. Different groups based on your current level of proficiency. My ...

ACT worksheets

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ACT worksheets Let me know if you have any other questions. Best and take good care, Mrs. Lin  Lesson    Equations of Circles Pra...
Wednesday, October 5, 2016

2017 Mathcounts State Prep: Volume of a Regular Tetrahedron and Its Relationship with the Cube it's Embedded

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How to find volume of a tetrahedron (right pyramid) with side length one. The above link gives you a visual interpretation of the relation...
Tuesday, September 27, 2016

2016 AMC-8 Prep

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Interesting articles on math for this week: How to Fall in Love With Math by Manil Suri from the New York Times The Simpsons' secre...
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Conducts online group lessons. Mentors inquisitive students across the states, guides and learns with them. Finds the best materials at the lowest costs to help students get a top-notch education. Main focus : Problem solving, critical thinking, SAT harder/hardest problems prep, independent projects, academic consultant (Find the better fit.) My best state/national level students push themselves, not the other way around.
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