mathcounts notes
The best math program for middle school students
Monday, April 6, 2015
Rate, Time, and Distance Question
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Question: H arder SAT question: Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the eve...
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Tuesday, March 24, 2015
Some Articles to Read and Ponder after Mathcounts state competition
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For those students who really love problem solving, who care and are inquisitive but are disappointed at their chapter's/state's per...
Monday, January 26, 2015
2015 Mathcounts State/National Prep
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Harder concepts from Mathcounts Mini : Also try the follow-up problems with detailed solutions. Don't do every question. Just the ones ...
Monday, December 15, 2014
2013 AMC 10 A and B : Solutions to the Harder Problems
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From AoPS videos : 2013 AMC 10 A #21 - This is also #17 on the AMC 12 A. 2013 AMC 10 A #22 - This is also #18 on the AMC 12 A. 2013 A...
Sunday, December 7, 2014
Problem Solving Strategies: Applications of the “Choose 2” method
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1. Example: How many diagonals can be drawn for a polygon with “n” sides? Method I: The number of diagonals in a polygon = n(n-3)/2, wher...
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