This is a math puzzle game. where you will find addition problems. Solve addition problems like you would on paper or a notebook. You can select time and mode like carry or without carry. This is math addition tool which is best for testing your addition skills. addition practice,math game,addition skills,number practice,mental math,math puzzle,HTML5 math game,educational math,addition worksheets,mobile math,number games,carry over addition,addition without carry,math skills,school math,number games for kids,online addition practice