who should eat well first? Activity goal: 1. On the basis of sorting things according to a certain feature, try to sort them in reverse. 2. Understand the content of the story, feel the intelligence and wisdom of the caterpillar, and establish self-confidence. Activity focus: Help children to change from forward thinking to reverse thinking, stimulate children's thinking, and promote children's ability to think from different angles. Activity Difficulties: Help children understand the meaning of the picture under the guidance of a series of suggestive questions, and know the actual meaning of the balance scale to sort through comparison. Activity preparation: each person has a set of operating materials such as a picture card for small animals. The ppt activity process of the story: 1. The story leads out and stimulates interest; 2. Appreciate the story picture book and line up according to the different characteristics of the animals' bodies according to the story content; 1. The animals are taller than the animals, and line up in the order from high to short. Talk about the reasons for eating peaches in this order. (2) the length of the animal's tail and ears. 2. Children's operation: prompt the children to choose a favorite animal (rabbit or monkey) and sort the length. 3. Summary of discussion: (3) Weight of animals 1. Question guidance 2. Observation and comparison of children 3. Operation of children: in descending order. Animals should test everyone and arrange them in a row according to their weight from heavy to light. Let's see who can eat peaches first, who can eat peaches second and who can eat peaches last. 4. Summary of discussion: Third, children rank caterpillars first. 1. Ask questions and cause thinking. 2. Children's operation: height, length of ears and tail, and weight rank caterpillars first.