Book of Donmon Teith

Get ready to take the Math Challenge! Singapore Math Challenge will provide second grade students with skill-building practice based on the leading math program

This guide provides the practical tips and tools educators need to help their mathematically promising students develop their potential to the fullest.

This book contains 500 problems that range over a wide spectrum of areas of high school mathematics and levels of difficulty. Some are simple mathematical puzzl

A collection of problems put together by coaches of the U.S. International Mathematical Olympiad Team.

The $3x+1$ problem, or Collatz problem, concerns the following seemingly innocent arithmetic procedure applied to integers: If an integer $x$ is odd then “mul