The calculation of fractional division and the corresponding goal of problem-solving practice: 1. Further mastering the calculation method of fractional division can correctly and quickly calculate the expression of fractional four operations in two or three steps, and improve the ability of fractional four operations. 2. Understand the relationship between mathematics and life, improve students' comprehensive ability to use knowledge to solve problems, and use fractional knowledge to solve some practical problems. Practice process: ... Teaching plan "Solving problems by two-step calculation of multiplication and division" 1. Teaching objectives 1. Make students experience the process of finding, asking and solving problems in real life, and learn two-step calculation method to solve problems. 2. Feel the role of mathematics in daily life, and initially form the ability to comprehensively use mathematical knowledge to solve problems. Second, the teaching content 1. The main contents of this unit are: problem solving ... table division (II) problem solving (two-step calculation) teaching design table division (II) problem solving (two-step calculation) teaching design teaching content: textbook P59~6 1, example 4, exercise 13 No.65438 +0 ~ 5. 2. Master the operation sequence of multiplication and division and the corresponding writing format. 3. Further cultivate students' ability to solve practical problems by using what they have learned. Four ... Two-step operation of multiplication and division teaching design teaching design teaching goal: 1. Make students learn to solve problems by two-step operation of multiplication and division, and initially understand the order of mixed operation of multiplication and division. 2. Guide students to observe and solve mathematical problems in life from the perspective of mathematics. Experience everywhere in life ............................................................................................................................................... 2. Guide students to observe and solve mathematical problems in life from a mathematical point of view, realize that there is mathematics everywhere in life, and cultivate students' awareness of applying mathematics and their ability to solve problems. 3. Let students use their own two-step calculation to solve the problem. Teaching design solves problems by multiplication and division. Teaching objective: knowledge and skills: 1. Understand the characteristics of using multiplication and division to solve practical problems. 2. By analyzing and solving problems, cultivate students' ability to ask and solve problems.