The New York Times announced last week that it will stop making Digits, a math puzzle game that debuted in beta in April. The last of these daily math puzzles will go up on August 8. Digits is a fun ...

Is a dump truck a vehicle? What about a skateboard? An elevator? A hamster wheel? These are some of the questions math educator Christopher Danielson has asked — or been asked — while playing a ...

“I don’t like this rice, anymore. It has green things on it,” my preschooler said. She had eaten that exact rice almost every week and often asked for seconds. But as my daughter became more ...