The National Council of Teachers of Mathematics is a public voice of mathematics education, providing vision, leadership, and professional development to support teachers in ensuring mathematics ...

If North Carolina high school student Katie Denton struggles with her algebra homework, she knows she’s not on her own. Denton can use her school-issued smartphone to send instant messages to her ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American This review first appeared in the December ...