(NEXSTAR) — Are you smarter than an Oklahoma fifth-grader taking their annual math assessment test? As another new school year is underway, it’s never a bad idea to know what the kids are learning — ...

(NEXSTAR) — Are you smarter than a Texas fifth-grader taking the STAAR Test? As another new school year begins, it’s never a bad idea to know what the kids are learning — or how hard the lessons are.

Solving this maths puzzle without falling into the common trap is harder than it looks. Exercising your brain is just as important for your health as keeping the rest of your body in check is, and we ...