Everyone agreed on the first step: Solve inside the parentheses, for 2+2=4. But after that, people split down two paths. Some multiplied first, while others divided, leading to different answers—1 and ...

(cheerful music) (spring boings) (glass squeaks) - [Children] Math Mights! - Welcome back, third grade Math Might friends. It's me, Ms. Askew, here again. Are you ready to have some fun with math?

Among high school students and adults, girls and women are much more likely to use traditional, step-by-step algorithms to solve basic math problems – such as lining up numbers to add, starting with ...