The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...
To continue reading this content, please enable JavaScript in your browser settings and refresh this page. The Colorado Division of Insurance (DOI) is proposing new ...
My youngest son is a whiz at math - as long as he can figure out problems in his head. But his uncanny ability to make sense of numbers is lost when he looks at a formulaic math problem. When he was ...