Helping students to develop math fluency takes more than just flash cards. It requires teaching them how to think about ...

Implications matter. If there is ‘only’ a 0.000003% chance something would break, but that would bring down a plane, and there are 35 million flights yearly, that would cause 100 plane crashes a ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...