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Advantage 1: At the beginning of the class, Mr. Cui easily let the students understand that "1" can not only be an object, but also refer to some objects;
Figure 1. This sentence is like a pebble thrown into the calm water, arousing students' strong curiosity and leaving enough time and space for students at all levels to think.
This flexible preset makes the students generate a lot of wonderful, and the teacher leads the students to a clear understanding of the unit "1", and it is this process that naturally and skillfully interprets the first major difficulty of this lesson.
Figure II. Teachers carefully study the teaching materials according to the cognitive abilities of the students.
Determine which knowledge to guide, point to allocate, to discuss, and which knowledge is suitable for self-study and reading, and flexibly carry out teaching activities, so as to truly attach importance to the teaching of the process of knowledge formation, and make students become discoverers of knowledge.
For example, the meaning of the score is not directly told to the students by the teacher, but through the layers of doubts, hierarchical progression, and gradual deepening, so that the students can understand on the basis of the derivation, the teacher can use accurate language to guide it, and the teaching effect is very good.
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Fractions are a very important part of learning math. The significance of fractions lies in Senso, which allows us to understand the myriad "intermediate values" that exist between integers, helping us to better understand the relationship between quantities. In the process of listening to the lecture, I think that the meaning of fractions is very widely used in practical life, such as the concept of fractions will be used in food, beverages, medicines, etc.
In addition, scores are also needed in computer science, business management, finance, and other fields, so it is very important to grasp the concept of scores well for future career development. In the process of learning fractions, the teacher uses vivid and interesting examples to help us better understand the meaning of fractions, such as using fruits, cakes, banknotes, etc. to illustrate the concept of fractions, so that we can better understand the meaning and application of fractions. At the same time, the teacher also emphasized the simplification, general score, and reduction of fractions, which are the basis for us to learn fractions and must be mastered.
From my learning situation, I think that I still have some difficulties in understanding the meaning of fractions, and sometimes it is easy to confuse the concepts of fractions and numbers, and I need to strengthen my understanding and application of the concept of fractions. To do this, I need to listen carefully to the teacher's explanations in class, actively ask questions, and at the same time deepen my understanding of the concept of fractions by doing exercises and consulting materials after class.
In addition, I believe that in the process of learning fractions, students can learn through real-life examples, such as shopping, cooking, measuring, etc., so that the concept of fractions can be more easily understood by students and better applied to life.
All in all, the meaning of learning fractions is an important part of learning mathematics, which needs to be studied and mastered carefully. In the process of learning fractions, it is necessary to strengthen the understanding and application of the concept of fractions, and at the same time actively participate in classroom and extracurricular exercises to better grasp the knowledge of fractions.
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The generation and meaning of the score are as follows:
In this lesson, Mr. Song's presupposition of generative space and his wisdom in guiding students to effectively construct knowledge in generation are secretly impressive.
At the beginning of the class, Mr. Song encouraged students to use the learning tools in their hands to represent 1 4 This sentence is like a pebble thrown into the calm water, arousing students' strong curiosity, leaving enough time and space for students at all levels to think.
1 4 of 12 pieces and 8 small sticks, through the orderly feedback of students and the collision of thinking, the teacher bow|It is this process that leads students to have a clear understanding of the unit, which naturally and skillfully interprets the first major difficulty of this lesson. Interpreting the new curriculum, we clearly understand that everything is for the development of each student.
This is the highest purpose and core concept of teaching, but also a dynamic and vigorous process of arguing over the years, when studying the meaning of scores, Mr. Song makes full use of the students' existing knowledge, lets go of the materials prepared by the students themselves, and creates the students' favorite fractions, according to the ever-changing scores created by the students, the effective guidance of the teacher, and the cooperation of teachers and students. Wonderfully generated the meaning of what is a score, and skillfully broke through the second and second major difficulties.
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