Dear Yay Mathers, It has been a magical four years. The idea of filming a high-energy, positive-minded math class, live in the classroom, started as merely an idea, but has grown to a worldwide movement. This music video is a tribute to every Yay Math viewer, who has benefited from this vision and whose lives have been positively impacted by this collective journey. Yay Math owes everything to the people, so this one's for you!