(And adults, of course!) These math puzzles test your brain and critical-thinking skills and provide some constructive, educational fun. Math riddles and puzzles come in plenty of different varieties.

So, why do adults often struggle to find the right ... Read also: Unraveling the simple math riddle that keeps puzzle lovers up at night. Is your solution correct? Elementary school math riddle ...

Martin Gardner’s Mathematical Games column in Scientific American fascinated and mystified readers for decades—and his legacy ...

A young man lives in Manhattan near a subway express station. He is dating two women: one in Brooklyn; one in the Bronx. To visit the woman in Brooklyn he takes a train on the downtown side of the ...