1 How to improve the teaching level of math teachers
Primary school mathematics language should be accurate, standardized, rigorous and simple.
The accuracy of primary school mathematics teaching language means that mathematics teaching language should be rigorous and accurate. Concepts, properties, formulas and laws in mathematics all have their specific connotations and expressions. Sometimes, although there is only one word difference, it may also lead to conceptual errors, such as "number" and "digit", "increase" and "increase to" are completely different concepts and have essential differences. If the number of digits is not enough to make up 0, it cannot be said that the number of digits is not enough to make up 0. In addition, the pronunciation should be accurate. As teachers, we should insist on teaching Mandarin as accurately as possible, so as to prevent students from misunderstanding mathematics knowledge because of using dialects when transmitting teaching information. In teaching, we should also read polyphonic words correctly, and dialect and habitual pronunciation should read standard sounds.
On the premise of accuracy, teachers' language should be clean and tidy, not sloppy. Some teachers who have just stepped onto the podium can't finish their teaching tasks within 40 minutes. One of the most important reasons is that they are afraid that students won't understand, go back and forth, and talk tirelessly, so that the limited time in class will slip away quietly in nonsense irrelevant to the lecture content, which will make the teaching focus not prominent, and students will be bored, which will affect the teaching effect. In order to overcome the above problems, we must carefully design questions and transitional words when preparing lessons, and try not to give lectures. Each of our teachers should pay special attention to the rigor and accuracy of their own teaching language in teaching, and should not use the language of daily life to explain and express mathematics knowledge at will, let alone use vague, ambiguous, even inconsistent and wrong language.
The teaching language of mathematics in primary schools should be enlightening.
Confucius said, "If you don't get angry, you won't get angry." In the teaching process, to change students' passive acceptance of information into active acquisition of knowledge, teachers need to inspire students to master knowledge through cognitive activities such as watching, thinking and doing. For example, when teaching "the circumference of a circle", the teacher took out a hula hoop and asked the students, can you calculate its circumference? Students can calculate its circumference (because they haven't learned how to calculate it yet).
how much is it? How to measure? (Enclosed with a tape measure) How much can I use? (Wrap the rope around it first, and then measure the length of the rope with a tape measure) What other methods can be used for measurement? (Roll a circle on the ground, and then measure the length of a circle on the ground) The teacher fully affirmed the students' practice, good thinking and rich imagination, and then asked, if you are given a very large circle, is it easy to measure the circumference? Is there a simple way to calculate the circumference of a circle? Through the teacher's experiment, it is concluded that the circumference and diameter of a circle are closely related. The circumference of a circle is always more than three times its diameter, ranging from 3.1415926 to 3.1415927. This number is a fixed number, called pi. Now, let's talk about it. As long as you know a little, you can find the circumference of a circle. In the above example, the teacher used a series of enlightening questions to constantly ignite the students' thinking sparks, arouse their enthusiasm for learning, and enable them to master knowledge independently.
2 mathematics classroom teaching methods
1 Pay attention to the introduction of situations in mathematics class and stimulate students' interest in exploring mathematics.
In classroom teaching, we should provide all students with sufficient opportunities to explore, let them experience the fun of learning mathematics in the process of happy exploration, and increase their ability to explore mathematics and acquire mathematical knowledge. In teaching practice, the author believes that creating certain teaching situations before class to introduce new lessons will stimulate students' interest in inquiry, stimulate children's curiosity in learning and do a good job in this class, which will have a multiplier effect and is also an inexhaustible motive force for students to carry out mathematical inquiry activities. In addition, modern students are naughty and active, and they don't pay enough attention in class. Therefore, teachers should do a good job of stimulating interest before a class, give students suspense and passion through activities such as talking, telling stories and games, attract students' attention, mobilize students' thinking and imagination, and make a good start for inquiry activities.
2. Combine modern information technology with mathematics teaching, make full use of network resources, and let students learn independently.
Under the new curriculum standards, in order to implement quality education and make students develop in an all-round way, in teaching practice, we should effectively combine information technology with mathematics courses, change the traditional teaching mode, make full use of modern information technology as an auxiliary teaching, give full play to the advantages of information technology, and provide a colorful educational environment and powerful learning tools for students' learning and development. Students are the main body of learning. Teachers should develop students' thinking and creativity, use multimedia to guide students to learn actively in classroom teaching, expand students' knowledge, and thus cultivate students' knowledge application ability and comprehensive ability. For example, when teaching "axis symmetry" and "rotation", the author shows it in the form of courseware, giving students a vivid, vivid and intuitive feeling, and students can draw "axis symmetry" and "rotation" graphics. Therefore, the use of modern information technology can make classroom teaching vivid, vivid and infectious, improve students' interest in learning, enrich students' learning content, greatly improve students' ability and skills to accept knowledge, and play a good role in mathematics teaching.
Let different students learn different mathematics and implement hierarchical teaching.
The thinking ability of students in a class is different from their ability to accept knowledge, and their grades are uneven. In order to embody the idea of "let different students learn different mathematics", teachers can implement hierarchical teaching in the classroom and adopt different teaching methods for different students. For example, arrange homework at different levels. For students with poor learning, teachers can arrange some basic problems for students to practice and consolidate, and teachers can give guidance and help to the problems existing in the classroom, so that they can master basic knowledge and further improve students' learning ability and problem-solving skills. Teachers should give students with good academic performance or top students room for cooperation, communication and exploration. Teachers should design and arrange difficult exercises so that they can explore, find and solve problems and promote the better development of top students. For example, the problem of "sprint" in practice can be explored by students themselves, and teachers can give guidance to cultivate students' exploration consciousness and ability.
3. Create a math classroom atmosphere
Pay attention to summing up and improving, so that students can learn something.
If you don't sum up what you have learned, you can't consolidate it, and it is difficult to achieve the purpose of applying what you have learned. Teachers should be good at setting learning tasks, so that students can keep thinking and digging, and students can review, consolidate, use and improve after class. For example, students can be encouraged to write their own test questions, and then exchange answers with their classmates. After the answers are finished, they can exchange and correct the test papers. In the form of group discussion, students can choose the answers to the questions in the group first.
Finally, the teacher will sort out and summarize the group discussion, and comment on the questions, answers, discussions and papers made by students, focusing on some key and difficult issues. This way of encouraging students to test their learning results can also greatly enliven the classroom atmosphere, promote students' knowledge to be consolidated, improved and enhanced, and form a more systematic and solid knowledge system and learning ability.
Encourage students to ask questions actively and enliven the classroom atmosphere.
In class, students often put forward some incomplete guesses, or an emergency answer, or imagine various solutions to problems and conceive some new wonders that have appeared before. Due to the long-term bondage of traditional "exam-oriented education", some teachers are unwilling to enliven the classroom atmosphere, dare not enliven the classroom atmosphere, and do not know how to enliven the classroom atmosphere for fear of breaking out. In classroom teaching, it is nothing new for teachers to give examples as usual and follow the book. Only the so-called top students can answer students' questions. If the answer is slightly different from the teacher's "standard" answer, it will be completely denied, and the root of the error will not be explored, for fear of affecting the teaching rhythm and making students afraid to raise their hands to answer questions. In this way, a good intuitive thinking will be killed by a stick. In the long run, this kind of.
No wonder some people say that if China's education system is not reformed, scientists who won the Nobel Prize will never be trained, because scientists who won the Nobel Prize are all "three-dimensional" scientists, while China's current education system only trains "flat" scientists, so it is not surprising that China's scientists are denied the "honor" in this world. As a high-quality education, teachers should establish a sense of harmonious education, that is, in the teaching process, teachers and students should strengthen cooperation, think together, explore, encourage questions, debate, create and have a harmonious relationship. In normal teaching, I allow students to express different opinions, and also allow teachers to point out their mistakes on the spot, and then teachers and students have a serious discussion. If they make mistakes, teachers should also apologize to students. Therefore, every class should create problem situations for students, learn every mathematical knowledge point, and let students ask questions actively.
4. Guide students to take the initiative to learn mathematics.
Stimulate interest in learning from the joy of success.
Everyone is eager for success. Success will inject new vitality into people, and success will give students a powerful motivation to seek knowledge psychologically when learning mathematics. In mathematics teaching, we should create more opportunities for each student to express himself, make full use of the method of "low, small, complete and fast" and open students' ladder thinking in stages. Start with simple questions, explore students' psychological bottom line, increase the channels of mathematical analysis, and guide students to make correct answers to exercises. Through their unique insights or creative thinking, students have achieved good results again and again, and gradually feel happy and proud of their success. Even if students occasionally fail to answer correctly and the answers are not perfect, teachers should not blame them at all, but should find their bright spots, encourage them and let them feel the joy of success.
Finally, let students understand that as long as they open their hearts, there is hope and success. Students who are motivated by success will persist in studying longer. Even if they encounter setbacks, they often blame themselves for not working hard enough. They are bent on success. When they fail, they will redouble their efforts until they succeed, so that every student has the hope of success, so as to gain a successful experience and improve their motivation and interest in learning.
Constantly improve teaching methods, improve teaching art and guide students to actively participate in teaching activities.
"Students' psychological activities are positive and proactive, and they can master knowledge more effectively in a relaxed and happy atmosphere. "Guiding students to actively participate in exploring the mysteries of knowledge is one of the ways to stimulate students' interest in learning. Because of this, teachers must be clear about students' dominant position. In teaching, teachers should use their brains instead of sticking to their own teaching style and being bound by old ideas and methods, thus falling into a rigid teaching model. You know, there is no fixed method for teaching, but it is also impossible. The unchangeable style can make students less adaptable, but it also makes them less fresh. In the long run, it will make the class attractive. Smart teachers will adopt different teaching methods at different times according to their own needs and constantly change their teaching methods. At the same time, we will continue to explore research and design new teaching methods for students.
In view of the lack of students' study habits and thinking, I often use problem-based teaching method, heuristic analysis teaching method and combination of teaching and practice in class, and use them flexibly according to the actual situation. After years of teaching exploration and research, I have summed up my own teaching principles: low starting point, high requirements, whole-oriented, and individual-oriented, and laid a teaching idea of "fully exposing the thinking track of students and teachers, and making thinking collide with the spark of wisdom through bilateral relations". Under my unconscious teaching demonstration, flexible teaching methods have a subtle influence on students' way of thinking and learning. In the process of teaching, I focus on guidance, and the trick is to enlighten, teach and practice. Students gradually understand the essentials of learning mathematics and express their knowledge and skills.
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