mathcounts notes
The best math program for middle school students
Monday, October 26, 2015
Triangular Numbers & Word Problems: Chapter Level
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Triangular Numbers : From Math is Fun. 1, 3, 6, 10, 15, 21, 28, 36, 45... Interesting Triangular Number Patterns : From Nrich Another...
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Tuesday, October 13, 2015
2015 Mathcounts State Prep : Inscribed Cricle Radius and Similar Triangles
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Question : \(\Delta\) ABC is an equilateral triangle. Circle "O" is the inscribed circle and it's radius is 15. What ...
Tuesday, September 1, 2015
Testimonials for my services. So far, all through words of mouth locally or chance meets online and it's great.
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Testimonials from my students/parents :) Dear Mrs Lin, I just did not get the opportunity earlier to thank you for all your help...
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Wednesday, July 1, 2015
Logical games, puzzles and links for summer learning or/and having fun together
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You can play daily SET in the New York Times Or the official SET website : The Daily SET Puzzle Math is Fun ...
Wednesday, June 24, 2015
Problem Solving Strategy: Complementary Counting
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#: How many three digit numbers contain the digit "9" at least once? Solution: For the "at least" questions: a lot of...
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