Susan Gilkerson, a math teacher and school bus driver, stood before a South Dakota education board and issued a warning. The proposed math standards the board was considering — just 36 pages, less ...

Students actively engage in tasks that are doable and interesting—which frees up time for personalized instruction.

Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is ...

Three leaves had been missing for more than a century. Researchers found one of them when they decided on a whim to check the ...