How to engage middle schoolers in math?? That’s what MathAlive! at the Smithsonian Institution International Gallery is all about. Created by Raytheon MathAlive! is “an immersive exhibit enabling students, teachers and visitors of all ages and backgrounds to experience the wondrous outcomes of science, technology, engineering and mathematics (STEM) through highly engaging hands-on activities.” The International Gallery is located in the S. Dillon Ripley Center (next to the Smithsonian Castle) It is FREE & Fun!