mathcounts notes

Some of the harder/hardest questions at Mathcounts can be tackled at ease using mass point geometry so spend some time understanding it. ...

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

Mathcounts problems : state/nationals level

How to find volume of a tetrahedron (right pyramid) with side length one. The above link gives you a visual interpretation of the relation...

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...

To prepare for AMC-8 and Mathcounts simultaneously, it's a good idea to delete AMC-8 multiple choice options to make the test more like ...

Circle Equations from Math is Fun  How to Find Equation of a Circle Passing 3 Given Points  7 methods included ; Amazing !! Practice...

Simon's Favorite Factoring Trick from AoPS Notes from my blog Now try this year's team round #9 using SFFT. Review all the ...

Tackling Problems with Vieta Section 10.4 : Vieta for Quadratics Part 1 Section 10.4 : Vieta for Quadratics Part 2 Section 10.4 ...

This week, we'll continue discussing this year's Mathcounts state harder problems. Please try these problems before our lesson. ...

Check out Mathcounts : the best competition math program up to the national level. Problems: (Solutions below) #1: 2005 Chapter Team--...

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

For Mathcounts advanced group -- harder  Mathcounts State/National problem on 3-D geometry.                       From Mathcounts Mini : ...

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...

There are many concepts you can learn from this image, which cover numerous similar right triangles, ratio/proportion/dimensional chan...