Here's why math fact fluency matters, and what we know from research about teaching strategies and timed exercises.

A really meaningful question in mathematics is: When are two things the same? What does “same” mean, and how does it change depending on the kind of math you’re talking about? For example, a set is ...

Results from a nationally representative EdWeek Research Center survey show how math teachers source materials and approach problem-solving.

Galileo famously stated that our Universe is a “grand book” written in the language of mathematics. So why does our universe seem so mathematical, and what does it mean?