This simple activity engages students in math talk and reasoning—and shows them there's not always a right answer.

Question sparked debate and confusion, with one user stating they were "honestly shocked" this was being asked of a ...

A seemingly simple math problem about dividing pizzas sparked debate when someone highlighted a potential flaw in the assumed ...

For a long time, the Kakeya conjecture, which involves rotating an infinitely narrow needle, kept mathematicians ...

Test your knowledge with "Are You Smarter Than a 5th Grader" questions. Explore this list of fun and challenging questions to ...