An elementary-school math teacher silently paces his classroom in a pin-striped stockbroker shirt, his mouth full of braces. All around him, tiny students with pencils in hand struggle over puzzles at ...
Sayonara, Sudoku. For a better-rounded puzzle that includes not just logic, but math, too, try KenKen. It's probably even good for you. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...