Singapore mathematics adopts CPA teaching method, that is, "concrete-image-abstraction". Because children have no abstract thinking, it is very difficult to learn abstract mathematics. Therefore, starting from concrete objects, leading to images and then leading to abstract mathematics can help children establish abstract mathematical thinking step by step. This teaching method is adopted by domestic Digital Planet app, and it also incorporates interactive elements of many games. Personally, I think it is very suitable for children to learn mathematics and train logical thinking, which can make children more interested in mathematics. You can speed up to know and understand.