The use of rulers by students plays an important role in their learning process. By understanding different types and functions of rulers, as well as correct usage methods and selection skills, students can better use rulers to complete various learning tasks, improve learning efficiency and quality. Therefore, it is recommended that students choose a suitable student ruler according to their own needs, making it a good partner in their learning and life.

When using a student ruler, students need to pay attention to the following points. Firstly, it is important to keep the ruler clean and intact to avoid blurry or damaged markings that may affect its effectiveness. Secondly, when using a ruler for measurement, it is important to maintain its stability and avoid measurement errors caused by shaking or movement. Finally, pay attention to the correct reading to ensure the accuracy of the measurement results.

The functions of student rulers are diverse and diverse. In addition to basic measurement functions, some high-end student rulers are also equipped with special functions such as scale amplification and fluorescent display. The scale amplification function enables students to see the scale more clearly during measurement, improving the accuracy of the measurement. The fluorescent display function facilitates students to use the ruler in dimly lit environments, improving the convenience of use.

There are various types of rulers used by students, including straightedge rulers, triangular rulers, and curved rulers. A ruler is the most basic tool used to measure the length of straight lines and is essential for students to perform tasks such as drawing and calculating. The triangular ruler has a special angle scale, making it convenient for students to measure and draw angles. A curve ruler is suitable for measuring and drawing curves, meeting the needs of students in special subjects.

The teaching scale set is a standardized measurement tool used to evaluate students' performance during the learning process. It usually includes a series of specific evaluation indicators, such as knowledge level, skill mastery, thinking ability, etc., each indicator has a corresponding scale or level, so that teachers can quantitatively evaluate the performance of students. This quantitative evaluation method enables teachers to have a more accurate understanding of students' learning status, thereby formulating targeted teaching plans and coaching strategies.