1. Use questioning<br>Children's learning interest and desire always occur in certain problem situations. If children lose interest and are eager to explore the teaching materials and contents provided by teachers, if teachers can make timely and ingenious use of questioning, let children and the teaching materials provided, then children's interest learning can effectively stimulate and desire. For example: when middle-class children know the number within 5 on the operation board, they will show a very boring appearance and feel it is not fun at all. The teacher took this opportunity to ask such a question: "under five years old digital baby will participate in the magic show." Let's guess what they will become. When the children hear the teacher's question, everyone's listless expression disappears immediately. They are very excited to operate the material. The children said happily, "look, my digital baby 1 has become a long pencil!" my child has grown up! "And so on. In this way, children feel the boring number recognition activities become vivid. At the same time, through the similarity between objects and numbers, children's memory of numbers is deepened, so that they can not only remember numbers, but also develop intentional imagination. There are many ways to realize the effective interaction between teachers and students in mathematics activities. According to personal teaching practice, combined with a new round of curriculum reform, the author thinks these methods are relatively optimized. In practice, we should improve and promote the interactive teaching mode between teachers and students.<br>2. Use story based scenarios<br>Children are always unable to resist the temptation of the story, they involuntarily fall into the situation of the story. Teachers can take boring mathematical activities, combined with the characteristics of children's interest and age, to create a certain type of story situation, so that children in interesting stories, germination of learning desire. For example, in the large class activity "review digital composition within 9", the teacher created the story of "Alibaba treasure hunt": in the process of Alibaba treasure hunt, there will be many difficulties, and the children must help Alibaba find treasure smoothly. In this way, in the process of solving difficulties one by one, children review the combination form, decomposition form and adjacent relationship of each number, and exercise their intentional memory in the game. Practice has proved that the use of story situations in teaching can effectively create a harmonious and pleasant interactive atmosphere, stimulate children's interest in learning, and stimulate children's desire to learn and explore knowledge.<br>
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