1, through life cases, let students understand the translation transformation and rotation transformation of graphics. Combined with the actual life of students, the phenomenon of translation and rotation is initially perceived.
2. Students are only required to feel these phenomena in close contact with real life, and they are not required to define these two concepts, let alone recite the conclusion sentences.
3. Enable students to correctly judge these two transformations of graphics and establish a preliminary concept of space in understanding translation and rotation.