Who says education can't be a lot of fun? There's a growing movement in classrooms to play the KenKen arithmetic logic puzzles invented by a Japanese math teacher named Tetsuya Miyamoto. The game, ...

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 ...

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 ...

[Announcer] Four, three, two, one, KenKen. in newspapers of the world. I learned about KenKen through Games Magazine. In a graduate school class at Brooklyn College. Randomly, in maybe a airplane ...