To solve a mathematical problem, such as which of two products is less expensive, we use abstract rules that dictate how to structure, process and evaluate numerical information. New research shows ...

There are probably a lot of things you learned in school that you don’t even remember, but the “order of operations”—also known as PEMDAS—is likely to be one that stuck with you; you’ll mess up even ...

Any of us who have ever been in a math classroom know that too many kids lack fundamental arithmetic skills. It is extraordinarily difficult to teach students more advanced skills when their ability ...