The new curriculum standard points out that we should attach importance to the application of modern information technology, vigorously develop and provide more abundant learning resources for students, take modern information technology as a powerful tool for students to learn mathematics and solve problems, and devote ourselves to changing students' learning methods so that students are willing and have more energy to devote themselves to realistic exploratory teaching activities. How to effectively use information technology to optimize the development of subject education and teaching is a very important issue in modern education. So, how to realize the integration of information technology and primary school mathematics? First, create vivid teaching situations with the help of the media. There are many effective educational resources in real life, which make mathematics teaching "life-oriented", explore the emotion contained in knowledge itself, display mathematics knowledge intuitively by using the network, and endow knowledge with emotion artistically. With artistic emotion, knowledge has life, knowledge is close to life, and if it can be applied to life, it will have a soul, and students will feel the charm of mathematical knowledge. With advanced modern teaching methods, mathematics knowledge can be vividly interpreted in front of students like a play, which is entertaining and makes students learn happily. Create situations and stimulate learning motivation. Create a suitable learning situation for primary school students and pay attention to stimulating and maintaining students' interest in learning. Students will love mathematics only if they are interested in learning. We can skillfully create situations in the introduction of new courses, the key and difficult points of teaching, the transition of teaching, the consolidation and expansion of exercises, and use multimedia audio-visual means to integrate sound, form, emotion and environment into one furnace to create and render classroom atmosphere and create a good learning environment for students. For example, in the teaching of "Understanding the Circle", we use multimedia to demonstrate that Mickey Mouse is driving a car with square wheels on the lawn. In the music, Mickey Mouse bounced up and down, the students laughed, and then the wheels became triangles. As soon as the car goes forward, it is also bumpy. The teacher asked the students why they felt uneasy. The student replied that because the wheel has edges and corners, the teacher then asked, "Is it comfortable without edges and corners?" Then change the wheels into ellipses, and the car will follow the music. Mickey mouse is still bumping up and down with the rotation of the wheel. At this time, some students will say that the wheel should be round. The teacher used multimedia to show the shapes of wheels such as bicycles and cars, all of which are round. The teacher went on to say, "Why can round wheels be used, but not other graphics?" This is what we are going to learn in this class. "In this way, the introduction of the new curriculum not only increases the interest, but also fully mobilizes the enthusiasm of students, so that students' interest in knowledge is unprecedentedly high. At this time, the new course will receive very good results. Second, with the help of the media, we can perceive a vivid learning process. The teaching process is a learning process in which teachers induce, students explore, inspire and summarize. Teachers should let students give full play to their talents and express their opinions, and then let students observe, think, choose and judge independently. Positioning the focus of the teaching process on human activities, emphasizing that students should actively explore, fully express their views and put forward personalized methods, such teaching design really promotes students' all-round, harmonious, independent and personalized development. Using multimedia to simulate the laws and phenomena of nature and society is especially suitable for microscopic processes, dynamic processes with complex environment, visualization of abstract concepts or processes that are difficult to realize or control by conventional teaching methods. Especially for the teaching of mathematical concepts, the advantages of information technology are more prominent. Mathematical concepts are characterized by abstraction and rigor. It is difficult for teachers to explain abstract concepts clearly only by dictation and practice in black and white. With multimedia, each process can be demonstrated clearly and intuitively, which solves the difficulties in teaching. For example, when teaching the concept of "angle" in primary school mathematics, a point is displayed on the screen, so that students can control a straight line extending from the point with the keyboard and make the straight line rotate along an endpoint to form an angle; At this time, students should understand the method of marking angles, especially how to mark right angles; Different rotation angles form different types of angles: acute angle, obtuse angle and right angle; In order to let students know that the size of the angle has nothing to do with the length of the line, let the two angles have the same size, but the length of the line is different, let the two angles overlap, observe the comparison process, and let students compare the sizes of the angles intuitively. Through multimedia demonstration, students can easily understand the knowledge points related to the angle, and the teaching time is much less than that of traditional teaching methods, which really makes teachers speak easily and students learn happily. For example, in the teaching of "Two-step Application Problems" in the fifth volume of primary school mathematics, teachers can first inquire information through the Internet, start with the Olympic Games events that students are most concerned about, pay attention to finding the "prototype" of mathematics knowledge from the real life that students are familiar with, and rely on students' direct interest in perceptual materials to stimulate students' desire for innovation. Another example is the teaching of the eighth volume of primary school mathematics, "Reading and Writing Numbers within 100 million". Before class, we arrange for students to collect relevant data through various channels (including online) and report to the student representatives in class. The materials they brought: some are the distance between two planets, some are the size of China's land area, and some are the ratings of CCTV Spring Festival Evening this year ... Through vivid, educational and convincing data and statistics, the students not only easily completed the teaching task of this class, but also successfully received an ideological education that loves the motherland, socialism and science. This is how we use the characteristics of information resources across time and space boundaries, integrate information technology into primary school mathematics teaching, make full use of all kinds of information resources, introduce the living water of the times, and combine it with the teaching content of ethnic minorities, so that students' learning content is more colorful, more contemporary and closer to life and modern science and technology; At the same time, it can also broaden teachers' knowledge horizons, change the traditional subject teaching content and make the teaching materials "live".