Every year, the countries competing in the International Mathematical Olympiad arrive with a booklet of their best, most ...

Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.

Imagine you are a mountaineer. Nothing excites you more than testing your skill, strength and resilience against some of the most extreme environments on the planet, and now you've decided to take on ...

A study by economists shows a wide gap between the kinds of math problems kids who work in retail markets do well and the kinds of problems kids in school do well. In India, many kids who work in ...