A graphic artist is testing everyone’s knowledge of algebra and spot-the-difference skills with a pictograph math problem that assigns numbers to different fruits. Gergely Dudás, of Hungary Budapest, ...

You probably think you're smarter than a middle schooler. If you want to know for sure, try your hand at this basic math problem. It's harder than it looks — even if you think you have a solid grasp ...

Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.