First, highlight the idea of classification and get a sense of classification initially.
Psychologist Bloom believes that setting goals is to facilitate objective evaluation, not to express ideal wishes. In life, primary school students have a certain sense of classification, such as gender classification and age classification. Therefore, students can easily accept the application of classification in mathematics. In teaching, teachers should learn to seize the opportunity and infiltrate the idea of classification into teaching.
Second, understand concepts by classification and grasp the essence of mathematical concepts.
The formation of concepts often begins with classification activities. Therefore, introducing new knowledge through classification in teaching is conducive to students' understanding of concepts. For example, how to define the common geometric figures in life, such as quadrangles and pentagons? Usually, according to how many line segments make up a closed figure, they are polygonal.
Third, classify and summarize, and master and consolidate what you have learned.
Induction is a common learning method in mathematics learning, which belongs to the idea of classification. By the fifth and sixth grade, students have a certain reserve of what they have learned, so they need to summarize and build a complete knowledge system.
Fourthly, quantitative classification is carried out to obtain mathematical thinking methods.
From the nature of curriculum, logic and creativity can be said to be the basic attributes of mathematics. Logic determines the abstraction of mathematics. When classifying, we should not only observe the difference between appearances, but also summarize the internal logical relationship and basic attributes.
Fifth, carry out classified discussions to cultivate students' thinking ability.
Teachers must make students realize the importance of classified discussion in sorting out what they have learned, and realize that only by classifying what they have learned can they improve their ability to analyze and solve problems, digest and absorb knowledge better and make their knowledge system more solid.