mathcounts notes
The best math program for middle school students
Thursday, December 17, 2015
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...
Tuesday, November 10, 2015
Mathcounts : Geometry -- Medians ; Squares in Isosceles Right Triangle, Similar Triangles, Triangles share the same vertex
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Check out Mathcounts here, the best competition math program for middle school students. Download this year's Mathcounts handbook her...
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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