1. Take the materials that students are interested in and close to life as teaching resources, and carefully design a series of activities that students like to participate in, so that students can master the arrangement law of graphics through specific operations.

2, in the continuous, drawing and other activities, fully mobilize students to participate in learning, to provide students with opportunities for exploration. Let the students find the rules by speaking, doing and thinking.

3. In the learning activities of self-study, interaction and discovery, I designed a link for students to discover the law of "wall pattern".

4. In teaching, let students draw a picture by hand, think about the arrangement law of figures, and cultivate students' imagination, creativity and application ability.