Hello! I am glad to present you a new math game! With "Mental Math. Addition and subtraction" your child will love math and improve addition and subtraction skills. Mental math for kids will be really fun! The games interface is similar to well-known Tetris. You should solve the problems, which look like cubes falling from the top of the playing field. With each level the problems become more complex and progress in the game depends on your calculation speed. "Mental Math. Addition and subtraction" will become a really good math helper for adults as math workout and brain trainer. Playing the game youll get the skills which will be of use in everyday life! Mental Math. Addition and subtraction (Free) Mental Math. Addition and subtraction ($1.99) Math for kids will be fun! Good luck!