I recommend a number of scientific research institutions such as Beijing Normal University and China Education Association. After years of research, many kindergartens participated in the experiment and were approved by the state as the key project of the 11th Five-Year Plan of the Central Institute of Education and the key application project of Beijing Normal University. The hole board in the course of Children's Intelligent Mathematics was published by Beijing Normal University Publishing Group, and the learning tool has applied for a national patent. The patent number is CN300939384. The front is a counting board, and the back is a graphic board; A box of chess pieces * * *140; A package of graphics learning tools. Chess * * * has 6 colors and 2 1 pattern, which is a common and favorite animal, plant, vehicle and common mathematical symbol for children. Color geometry cards include circular, rectangular, square, trapezoidal, triangular, polygonal and other common shapes in life. The function of orifice plate: to promote the leap period of number concept; Improve children's interest in mathematics; Visualize abstract numbers; Reflect the educational concept of taking children as the main body; Concentrate the child's attention; Let children think positively; It promotes the development of children's abstract logical thinking; Improve children's comprehensive quality; The gamification of boring learning; Simplify complex knowledge.