A "field" is the name given to a pair of numbers and a set of operations which together satisfy several specific laws. A familiar example of a field is the set of rational numbers and the operations addition and multiplication. An example of a set of...

In abstract algebra, a field is an algebraic structure in which the operations of addition, subtraction, multiplication and division (except division by zero) may be performed, and the same rules hold which are familiar from the arithmetic of ordinary...

Abstract This paper reports on a study concerning the effects of a 2-year professional development initiative designed to improve teachers' methods of developing understanding of mathematical concepts and procedures. The initiative sought to accomplish this goal by engaging teachers in a learning environment...

I had the privilege of spending six months during the winter of 2000 and spring of 2001 in a fifth-grade, public school classroom with 23 children and their teacher, Kelly Richards. I entered their classroom with a blue rollerball pen, a yellow pad, and...

The story just won't die. Joe Mercurio just emailed out copies of correspondence between him and the Fields campaign. The mid-March emails include .pdfs of the infamous flier, and the correspondence -- from Mercurio to top Fields aides and to Fields' own AOL account --...

Even Santa Claus was shivering.Blizzard-like conditions blanketed the Cleveland Browns and Buffalo Bills during their crucial game on Sunday as a severe storm pounded the Lake Erie shoreline with heavy snow and swirling winds.The temperature was 30 degrees at kickoff, and with wind gusts hitting...