"The kid starts cackling, and I realise he invented his own question in order to trick me into saying it," the teacher wrote.

On any given ACT math section, 40-43% of the questions will fall under the category of Integrating Essential Skills, or IES. The makers of the ACT describe these question types as more complex because ...

Math isn't everyone's best skill — and even those who are good at it are questioning everything after trying this algebra problem. The question originally went viral in Japan, after a study discovered ...

An elementary school math question has left not only students but also a seasoned teacher—and much of the internet—scratching their heads. Bobby Seagull, @bobby_seagull, shared the puzzle his friend's ...

I also asked a handful of math teachers to share their answers more in-depth. Here’s what they said: Nicole Smith, a high school math teacher in North Carolina, said she tries to proactively address ...