Middle school teachers are now forced to assume multiplicative thinking is secure so they can dive into ratios and algebra.

In medieval Spain, conflict didn’t stop cooperation — it created opportunity. Christian scholars from across Europe traveled to cities like Toledo and Barcelona to work with Muslim and Jewish ...

Elementary teachers can create opportunities throughout the day for students to strengthen their math knowledge.

Across the country, parents are discovering that what their children bring home from school looks very little like what they once learned. It isn’t just math — reading lessons, writing expectations, ...