South Dakota's proposed math standards are sparking debate, with critics saying they're too simple and lack guidance.

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 ...

Model math standards produced by conservative education advocates helped spark a battle in South Dakota that could spread to other states.

This crossword is inspired by the most recent issue of Scientific American. Read it here. Print readers, check your answers by selecting “Assist” above and then “Reveal Grid” or by selecting “Print” ...