puzzle

Think Like a Coder

TED-Ed has launched a 10 part series, Think Like a Coder.  Solve a series of programming puzzles to help Ethic and Hedge, her robot companion, save the world. Here’s the first challenge, The Prison Break, and its accompanying lesson.

When is Cheryl’s birthday?

Earlier this month, Kenneth Kong, a television host in Singapore, posted this math logic puzzle on Facebook.  It went viral, with people all over the world arguing about the answer. Want to check your answer?  Read How to Figure Out Cheryl’s Birthday from The New York Times. Singapore is known for its high scores in… Read more