Lazy summer afternoons spent playing endless games of Sutli or hopscotch or any of those absorbing games have often become the topic of endless reminiscing about the good old days. Well, let’s bring them back! With a math slant at that. Can the shapes made with knotted string lead to a better understanding of Euclidean geometry and 3 D space? Can the mobiles which hang over a baby’s crib be used to understand how to solve equations? Can a teacher see how easy it is to reinvent a toy or a game in order to teach a mathematical concept or two? It’s time to Deja View mathematics!