Number block used for mathematics teaching. It consists of colored building blocks with numerical identification and a matching base plate, which is equipped with a digital track or operating area. According to the guidance of the digital track, the corresponding building blocks of numbers can be placed in designated positions to complete tasks such as sorting and calculation of numbers. Demonstrate addition and subtraction operations by combining building blocks of different numbers. This teaching tool is suitable for mathematics teaching in lower grades of primary schools, effectively cultivating students' numerical sense, computational ability, and logical thinking. It is a practical tool for improving learning effectiveness in mathematics enlightenment education.