mathcounts notes

There are numerous similar triangle questions on Mathcounts. Here are the basics: If two triangles are similar, their correspond...

There are lots of questions on dimensional change and this is a very common one. Make sure you understand the relationship among...

Questions written by Willie, a volunteer.  Answer key and detailed solutions below. 1a. There is a regular cylinder, which has a height ...

Check out Mathcounts here, the best competition math program for middle school students. Download this year's Mathcounts handbook her...

Part 1: See below for links: They are all related to dimensional change and similar polygons. Dimensional change questions I  Dimensio...