It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

Among high school students and adults, girls and women are much more likely to use traditional, step-by-step algorithms to ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...