Through this year's teaching of first-year students, I deeply realized that students' mathematical language expression is very important. Because freshmen don't know how to clearly express the relationship between the parts of the topic, their thinking is limited, and they have some difficulties in expressing their thinking activities, so it is difficult for students to ask creative questions. Language is the carrier of thinking, and mathematical language is the carrier of mathematical thinking. Mathematical thinking is often carried out with the help of mathematical language and expressed through mathematical language. Therefore, the essence of cultivating students' ability to use mathematical language is to improve their ability to analyze and solve problems. Learning mathematical language is an important aspect of learning mathematics. Only by learning math language well can we really learn math well.

Because of their young age, the junior students' language organization ability is not perfect, and their language expression lacks organization and integrity. Moreover, students are used to expressing their understanding of mathematical knowledge in daily language. This situation, I think, is not bad at the initial stage of learning, but in the long run, it will hinder the effective development of students' mathematical thinking. Therefore, as a junior high school math teacher, I strive to cultivate students' mathematical language expression ability and promote the development of students' thinking. Combined with my practice and understanding, I summarized the following points:

First, the creation of life scenes, so that students want to say

The great role of "interest" in educational practice has been affirmed by many educators at all times and in all countries. German educator Dihuidos described how teachers stimulate and cultivate students' interest: "The art of teaching is not to impart skills, but to inspire, awaken and inspire." Junior students are in the excited stage, and their attention is often unable to concentrate. Without stable interest, any development of them is impossible. Therefore, in order to stimulate students' desire for language expression in mathematics class, it is necessary to cultivate their interest in mathematics learning.

For example, in the first year of teaching, sometimes, the teacher can create such a scene: Have children heard the story of kittens fishing? On Sunday, Mimi the cat and Feifei the black cat caught many goldfish from the beautiful colorful pond and put them in the fish tank. They are very happy to see the beautiful goldfish playing happily in the fish tank. Mimi said, "Look, I caught a lot of fish!" " "Feifei said," no! I caught more fish! " The argument between them became more and more fierce. Mimi said, "There are 13 fish here. I caught eight goldfish. How many black goldfish did you catch? "Take a look!" But the goldfish swam too fast. Feifei counted the flowers with her eyes, but didn't count them. It said helplessly, "Child, help me with your knowledge!" " ! "

To create such a childlike scene, students' interests are fully mobilized, and at the same time, students also "know everything and say everything".

Language is the "shell" of thinking and thinking is the "core" of language. The formation and development of primary school students' mathematical thinking is realized through language, and the development of thinking can promote the improvement of language expression ability. Therefore, every student should have something to say in class.

Second, create emotional situations to make students dare to speak.

Teachers should create an equal and harmonious atmosphere and let students dare to express themselves. Zankov once said: "Teaching methods can play a highly effective role once they touch students' emotional and will fields and their spiritual needs." Although our students are young and immature, they have their own dignity. Students will inevitably make some mistakes in their study. At this time, teachers should not blindly criticize and accuse, but should try to avoid using irritating language and give priority to encouraging and enlightening tone. In the classroom, teachers should have cordial communication with students and give timely and appropriate evaluation of students' performance; What you said is reasonable, please continue; Think it over. Will the teacher invite you in the future? It would be better if. Treat students kindly and tolerantly in this way, so that students can realize that teachers are approachable and affable, and students can express their opinions at any time in the eyes of teachers full of encouragement, even if they are inappropriate or even wrong, creating an atmosphere of "dare to express" for students, encouraging students to express their views and opinions different from those of teachers and putting forward their opinions different from those of textbooks. In the process of students speaking, teachers should smile, listen patiently and use "well said!" "Don't worry, speak slowly" and other languages to encourage. In this way, they can taste the joy of success. Let every student be happy and dare to express his thoughts in a democratic, relaxed and pleasant learning atmosphere, which not only exercises students' oral expression ability, but also deepens students' thinking.

Third, create problem situations, so that students can speak completely and concisely.

For example, when teaching the two-digit "addition and subtraction" on page 28 of the first volume of the second grade, the teacher can provide a scene diagram for the children to observe. What mathematical information can you get? According to the scene diagram, students ask questions and list the formulas. Two answers are given:

Health 1: 67-25+28 = 70 (human) Health 2: 67+28-25 = 70 (human).

Teacher: "Are they listed correctly? Why does the birth of 1 decrease first and then increase, while the birth of 2 increases first and then decreases? How to understand it? I thought about it and told it to you before and after. " After the discussion, let the children say what 67-25 means, and then add 28. According to the formula of two columns, we can understand why we should use 67+28 before subtraction. Finally, it is concluded that these two formulas are correct, but the way of thinking is different.

Discuss and communicate through the given problem scenario, and let the children express their understanding of the formula in their own groups first. After cooperation, they can organize their thoughts in simpler language under the teacher's prompt.

When teaching the topic, I asked the students to describe it as: (1) 56 pencils and sold 30. How many pencils are left? (2) There used to be some pen holders in the store, and 20 of them were sold, leaving 18. How many people are there? (3) There used to be 46 erasers in the store, but after selling some, there were 5 left. How many pieces have been sold? Through this practice, the relationship between addition and subtraction is further infiltrated, the language order of students is trained, and the rigor of thinking is promoted.

Fourth, create a game scene to make students want to talk, talk and talk.

A pediatrician once said, "Every child is a natural player." How to let children play in middle schools and schools? Arrange different games and stories according to different learning contents in each class, create language situations, and improve students' interest in speaking. The selection of examples and exercises in the new textbook is very close to students' real life. Therefore, in teaching, according to the actual situation, the content provided by the situation map is further animated and contextualized through activities such as game performances, so that students can fully immerse themselves in the real mathematics activity environment, increase their actual experience and feel the unparalleled wonder of mathematics. For example, teach the second volume of "Location" for the first grade, let the children talk about where your good friend is sitting in the classroom, and let other children guess. Through "speaking", students' interest in learning mathematics is enhanced, classroom atmosphere is optimized, students' thinking ability is cultivated, and teaching effect is improved.

Another example is to use the password game to master the composition of 5 in the composition study of 5:

Teacher: I'll take one.

Health: I want four.

Add up: 1 plus 4 equals 5.

And so on, such games children will like. Mobilize students' multiple senses to participate in learning activities, avoid boring training, and better stimulate students' enthusiasm for speaking. In this way, students unconsciously learn new knowledge in a relaxed and pleasant oral atmosphere, which not only exercises their language organization ability, but also their language expression ability.

Of course, it is impossible for junior students to cultivate their mathematical language expression ability overnight. Teachers should always induce students to be good at inspiring, so that students can really dare to speak, speak and speak. At the same time, when the language expression is more and more perfect, the students' thinking has also developed accordingly.

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