Activity goal: 1. Consolidate the understanding of circles, rectangles and triangles. 2, can be classified according to the characteristics of graphics, cultivate the habit of patient work. 3. Cultivate caring and helpful qualities. Activity focus: master the characteristics of various graphics skillfully. Activity difficulty: It will be classified according to the color, size and shape of objects. Activity preparation: teaching aid: 1 cloth bag with graphics, 1 plastic basket with circular, rectangular and triangular graphics. Learning tools: animal toys with graphic marks on their bodies. Activity flow: 1. Greetings between teachers and students. Game: "Guess who I am". Review circles, rectangles and triangles. Second, group activities 1, import activities to stimulate interest. Teacher's question: What does the teacher have in his hand? (showing the bag) What's in the bag? (Graphic doll) What happened to the graphic doll? (Crying) Let's talk about your graphic doll. ...