If she starts out moving right on a blank grid, for example, here is how things go:
Lateral thinking puzzles that challenge your preconceptions.
The _average_ is a simple term with several meanings. The type of average to use depends on whether you're adding, multiplying, grouping or dividing work among
Here is list of cheat sheets and tables that I've written. Most of these are pdf files and so you will need the Adobe Viewer to view them. You can download the latest version .
I have a love/hate relationship with calculus: it demonstrates the beauty of math and the agony of math education.
Mathematician Julius Barbanel of Union College, and political scientist Steven Brams of New York University, both in the US, published an algorithm in Springer's The Mathematical Intelligencer by which they show how to optimally share cake between tw...
Logic Problems - grouped by difficulty. Includes answers and hints.
The is a counter-intuitive statistics puzzle:
> 1 + 3 + 5 + ... + 2 * (n − 1) = n^2I believe this should be1 + 3 + 5 + ... + (2n − 1) = n^2
NUMB3RS Episode 501: High Exposure--Wolfram Research Math Notes
An idler's miscellany of compendious amusements