Having a calculator doesn't make it any easier for a student to decide how to attack a math problem. Rather, it only encourages him to try every combination of addition, subtraction, multiplication or ...

Every so often it's good to exercise your brain with a math problem or two that forces you to recall principles you learned decades prior. As elementary as it might feel, you'd be surprised how easy ...

Owura, a young Ghanaian boy, wowed social media as a video of his mental arithmetic skills went viral online He answered complex multiplication questions with seeming ease, leaving interviewers amazed ...