The characteristic of multiple of 3 is the basic part of number theory knowledge. Students understand and master the characteristics of this simple number, which can fully stimulate students' desire to explore and lay the foundation for further learning mathematical calculation.
Extended data:
Pay attention to the inquiry process, summarize the characteristics of multiples of 3, pay attention to the communication and interaction between teachers and students in teaching, set up questioning sessions, and require the blackboard writing to be properly designed to match the teaching content. The trial lecture will end in ten minutes.
In the teaching process, according to the students' existing cognitive order, by reviewing the old knowledge, I put forward my own guess, and then I tried to observe, discuss and summarize the teaching with the help of a hundred tables. During this period, let students discuss in groups, participate fully, establish their own concepts, and have profound self-experience, so that students can feel the pleasure of acquiring new knowledge, thus achieving the teaching goal of this lesson.