Includes updates and/or revisions. The influence of a federal report calling for a more orderly approach to teaching mathematics in the early grades will hinge largely on whether its message is ...

In a small room in Philadelphia's school administration building, Rosario Maribel Mendoza Lemus, 16, sits in a corner, rubbing sweaty palms on her jeans. In front of her is a binder with a test she ...

Around 250 B.C., the Greek mathematician Archimedes calculated the ratio of a circle's circumference to its diameter. A precise determination of pi, as we know this ratio today, had long been of ...