mathcounts notes
The best math program for middle school students
Monday, December 31, 2012
Harder Geometry Question from National Mathcounts
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Question: Similar to a 96 National Mathcounts question: Circles of the same colors are congruent and tangent to each other. What is the r...
Monday, December 24, 2012
2013 Mathcounts State Prep: Counting and Probability
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Question #1: Rolling two dice, what is the probability that the product is a multiple of 3? Solution I : As long as one of the two numbers...
Friday, December 21, 2012
2013 Mathcounts State Prep: Similar Triangles and Height to the Hypotenuse
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There are many concepts you can learn from this image, which cover numerous similar right triangles, ratio/proportion/dimensional chan...
Friday, December 14, 2012
Ratio, Proportions -- Beginning Problem Soving (SAT level)
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Questions: #1: At a county fair, if adults to kids ratio is 2 to 3 and there are 250 people at the fair. How many adults and how many kids?...
Tuesday, December 11, 2012
Review: Shoestring method, Heron's formula, Pythagorean Triples and Others related to Area of a triangle or polygon
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Please give me feedback if there is any error or what concepts to be included for future practice tests. Thanks a lot in advance. Online ...
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