Reverse mathematics is a vibrant programme in mathematical logic that investigates the axioms necessary to establish fundamental theorems throughout mathematics. Central to this endeavour are ...

Zermelo-Fraenkel set theory is so widely accepted that modern mathematicians hardly think about it. But believing in its core ...

Technology use in early learning offers promising opportunities—and lots of unanswered questions. Preschool classrooms are usually crowded and chaotic. There is often one lead teacher for fifteen or ...

It’s something that educators hear from students in classes, children express to caregivers as they start homework and even adults say to each other when it’s time to calculate the tip for lunch.