Personally, I prefer Montessori mathematics. Moby's math is a bit inscrutable. It is divided into three stages, and each stage has various names. It's complicated just by looking at the name. After reading the catalogue, I have no interest in learning. Those who love adventure can try. However, Montessori mathematics is different. Teaching through fun, integrating the cultivation of mathematical thinking logic into the game, crossing between the lines of the topic, makes people learn knowledge easily without knowing it. So I chose Montessori mathematics.