Use the tips below to help you find the game you are looking for: Search for games by name or skills. Enter add only or addition only to search for games that practice only addition.  You may use the same process for the other operations (sub, mult, and div). Enter money or mon to search for games that practice money skills.  You may enter other skills or their abbreviations listed below.   SKILLS KEY: + =  Addition - =  Subtraction x =  Multiplication / =  Division Cmp = Comparing Cnt = Counting Est = Estimation Exp =  Exponents Fac =  Factoring Fra =  Fractions Geo =  Geometry Int =  Integers Mon =  Money Msr =  Measurement Nmb =  Numbers Opo =  Operation Order Ord =  Order Pat =  Patterns Plv =  Place Value Prm =  Prime/Composite Rnd =  Rounding Tim =  Time Voc =  Vocabulary ADVANCED SKILLS KEY: Dff =  Differentials Qud =  Quadratics Itg =  Integration Sml =  Simultaneous Equations