About Supermarket Numbers GameSupermarket Numbers is an arithmetic practice game where students aim to complete equations which solve to the target sum. In early levels you practice addition and subtraction, then as you advance the game adds in multiplication and division on later levels. Play through all 10 challenging stages. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.