For many students, math carries a reputation that makes palms sweat before a single number appears on the board. Pi Day flips that script on March 14, inviting learners to grab rulers, measure real ...

Using only the numbers 1, 2, 3, 4, 5 and 6 and the mathematical operations addition, subtraction, multiplication and division, can you arrive at the value 456? You ...

I’m thinking of a whole number between 1 and 1,000. You will ask me yes-or-no questions until you figure it out. How many questions do you need to guarantee that you pinpoint the number? (Announcing ...