mathcounts notes
The best math program for middle school students
Tuesday, June 5, 2012
Polygon Part II: Interior/Exterior angles, Central Angles and Diagonals and Practice Problems
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Learn the Basics here: Polygon Part I Some important notes: #1: Sum of all the interior angle of an n-sided polygon is \((n-2) * 180\) ...
Monday, May 28, 2012
Prime Factorization : Part II
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Learn basic facts here. Another fun trick is to find the total number of factors any number has. To do this, take the...
Sunday, May 27, 2012
Polygons: Part I: Interior and Exterior angles, Sum and Diagonals
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Some helpful links: Looking at Polygons by Kadie Armstrong, a mathematician. Year 7 Interactive Maths: Polygons Notes below. It take...
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Saturday, May 26, 2012
Math Cartoons from Calvin and Hobbes by Bill Waterson
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by Bill Watterson Solutions: Calvin and Hobbes Cartoon 2 You and Mr. Jones are both traveling towards each other. Mr. Jones is tra...
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Friday, May 25, 2012
Special Right Triangles: 30-60-90 and 45-45-90 Degrees Right Triangles
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Please give me feedback on the comment. Thanks a lot!! Mrs. Lin These are the two most common right triangles. For 45-45...
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