This free online course offers important new research ideas on learning, the brain, and math that can transform students’ experiences with math. The course is primarily for teachers and parents and others who may help students with math. It consists of short videos interspersed with various thinking tasks—such as reflecting on videos, designing lessons, discussing ideas with peers in the class—to promote active engagement. The class features videos with leaders in education such as Carol Dweck, author of mindset theories, and Sebastian Thrun, CEO of Udacity. More than 40,000 people took the class in 2013 – mainly teachers, parents and school administrators. 95% of people completing the end of course survey said that they would change their teaching or ways of helping as a result of the course.