This lesson multiples numbers using both partial products and the area model ...

This week’s lesson includes a review and and solutions from Lesson 4.

A handful of educators across the country are quietly making the case that math may be the missing piece in civics education.

Math educators share their favorite lessons, including taking students for a walk around a fenced-in field, investigating student-loan costs, and working alongside a language arts teacher.

As the math lesson winds down in Wu’s first-grade class, a social-studies lesson is starting up nearby in Kathy Ritzer’s Spanish-English kindergarten class.

Android users can now access Duolingo's Music and Math lessons, which were first announced last year. The lessons, which have been available on iOS since last year, can supplement learning, but ...