Addition and subtraction are the most basic concepts of math. By understanding their core and knowing how they truly work, you are preparing your child for more advanced learning later on. Aside from the concepts, your child will also learn to become patient, focused and controlled too. Grab a copy now!
Addition and subtraction are the most basic concepts of math. By understanding their core and knowing how they truly work, you are preparing your child for more advanced learning later on. Aside from the concepts, your child will also learn to become patient, focused and controlled too. Grab a copy now!