Pea thinking is based on the development stage of children's cognitive psychology and mathematical thinking, and builds a six-step growth system for children aged 3-8. 6Steps growth system is suitable for 1-3 kindergarten and primary school students of different grades, setting thinking goals for students of different classes, scientifically grading and recording the growth track of children's mathematical thinking.

According to the six-step growth system, pea thinking is divided into five modules, which comprehensively cultivate children's mathematical thinking from five aspects: number and algebra, geometry and graphics, logic and reasoning, statistics and probability, and life application.