Sayonara, Sudoku. For a better-rounded puzzle that includes not just logic, but math, too, try KenKen. It's probably even good for you. My first infatuation was with Sudoku. Then my attentions moved ...

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 ...

<i>The New York Times</i> offers modest-sized KenKen puzzles, but Sudoku fans looking for a larger-scale challenge now have a new online option. Stephen Shankland worked at CNET from 1998 to 2024 and ...

The game, invented by a Japanese educator to teach students math, has caught on around the world since we first started running it in 2009. By Will Shortz Times Insider explains who we are and what we ...