added readme to describe classes
added readme to describe classes

synaptek/MathFluency,CarnegieLearning/MathFluency,synaptek/MathFluency,synaptek/MathFluency,CarnegieLearning/MathFluency,CarnegieLearning/MathFluency,CarnegieLearning/MathFluency,synaptek/MathFluency