Instructional design and intention

course content

Mathematics, compulsory education textbook (Qingdao edition), the first volume of grade two, 98 ~ 99 pages.

Analysis of teaching materials

This "wisdom box" is based on students' initial learning of drawing and simple table enumeration strategies, and further learning to solve practical problems through classified enumeration, which is the further deepening and application of enumeration method. Through learning, students can further understand that solving problems can be analyzed from different angles, realize the benefits of sorting and listing for orderly thinking, and enhance the orderliness and rigor of analyzing problems.

Teaching objectives

1. According to the specific situation, find all the answers that meet the requirements through classified enumeration, and form the strategy of classified enumeration to solve practical problems.

2. In the process of reflection and communication in solving problems, feel the characteristics and value of the classification and enumeration strategy, and further develop the order and rigor of thinking.

3. Accumulate experience in solving problems, enhance strategic awareness of solving problems, gain successful experience in solving problems, and enhance confidence in learning mathematics well.

4. In the process of independent exploration, cooperation and communication, and problem solving, experience the happiness of success and cultivate the emotion of learning and loving mathematics. [Teaching Emphasis and Difficulties] Emphasis: Understand the enumeration method and feel its characteristics.

Difficulty: Being able to classify and enumerate in an orderly way, so as to cultivate the orderliness and preciseness of thinking.

[Teaching preparation] Three kinds of fruit pictures, three kinds of fruit learning tools, plates and multimedia courseware.