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

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

A brain teaser is like a fun little challenge for your mind. It’s a puzzle or riddle which is designed to make you think creatively and critically, often in ways you’re not used to. At first glance, a ...