Mathematics is always so wonderful, so magical, it is like my good friend, which makes me get a lot of happiness in my study.

Tonight, my mother and I compete to do oral arithmetic. After I finished, it took me 1 1 minute, while my mother only took 9 minutes. I asked my mother curiously, "How do you count so fast?" Mom said, "I use multiplication and division for simple operations." After my mother taught me this method, I suddenly realized that some calculation problems are like the face-changing of traditional Chinese opera. They always appear as ordinary faces, but there are hidden mysteries in their hearts. Take 450 ÷25 as an example! We should use 450× 4 = 1800 first, then 25× 4 = 100, and finally1800 ÷100 =18. In division, divisor and divisor expand or contract the same coset at the same time. Using this property, many such calculation problems can be simplified. I'm really glad to try to do more correct questions.

As long as you understand the laws of mathematics and master its temper, you will be handy when doing problems.

The new curriculum standard puts forward: "Primary school mathematics is an indispensable foundation and tool for learning modern science and technology. It is widely used in daily life, production construction and scientific research, so mastering certain mathematical knowledge and basic skills has become one of the cultural qualities that China citizens should have. " The biggest feature of the new curriculum standard is to highlight students' dominant position. Therefore, the foothold of a good math class should be to respect, care, understand and trust students, strive to create an equal, democratic and harmonious atmosphere, and give students a "math environment" full of infinite fun. At the same time, respecting students should also be based on how to make students develop in mathematics.

First of all, stimulate students' interest in learning mathematics and generate my motivation to learn mathematics well. Teachers must attach importance to cultivating students' interest in learning mathematics. Make them clear their learning purpose, correct their learning attitude and guide them correctly, so that they can gradually understand the application of mathematics knowledge in daily life. Understand the importance of mathematics and change "I want to learn" into "I want to learn". Make use of the strong logic of mathematics, set up doubts step by step, stimulate students' strong desire for knowledge, and integrate learning and teaching knowledge into the game. Combine knowledge and interest organically to stimulate students' interest in learning mathematics well. Carrying out interesting mathematics activities can broaden students' horizons, enlighten their wisdom, generate motivation to learn mathematics well and effectively improve the quality of mathematics. Establish a good desire to learn teaching well and lay a good foundation for the future.

Secondly, cultivate students' mathematical literacy. Mathematics classroom should take the implementation of systematic mathematics knowledge and the cultivation of students' mathematics literacy as the only goal. A successful math class should make the charm of math knowledge attract students and let them fully realize the inherent challenges of math. Give students the initiative to learn and let them take the initiative to participate and experience success. Students' mathematical ability lies not only in mastering knowledge, but also in whether they can consciously apply knowledge to solve practical problems, so that the application of knowledge is more comprehensive and flexible, so that students can firmly master knowledge and cultivate practical ability. Students' mathematical ability depends not only on mastering mathematical knowledge, but also on whether they can use mathematical knowledge and mathematical thinking to solve practical problems, form the ability to learn new knowledge and adapt to the needs of social development, and make students realize that mathematics comes from life and moves towards life. Therefore, the design of review questions must be comprehensive, flexible and developmental, which is conducive to cultivating students' practical ability and innovative consciousness.

Third, we should respect students' psychological cognitive laws. Mathematics learning should be based on students' existing knowledge level and psychological cognitive law. If students' psychological laws have not developed to a certain extent, they should not be encouraged. Everything develops according to its objective laws, so does classroom teaching. We can't aim too high, nor can we be eager for quick success. At the same time, we should also respect the teacher himself. Teachers are users and developers of teaching materials, implementers, explorers and creators of teaching work. Teaching personality should be the lifelong pursuit of every teacher and the highest realm of teaching. We should not be easily influenced by some "fashion theories", but should have our own ability to distinguish right from wrong and learn with an open mind. Classroom teaching should respect our teachers' own judgment, so as to make clear and correct analysis and implementation. It is difficult for teachers without charisma to cultivate students with personality and creativity.