1. Make students experience the process of abstracting the remaining phenomenon after average score into division with remainder, understand the meaning of division with remainder, and master the calculation method of division with remainder; Understand the practical significance of having a remainder and know that the remainder is less than the divisor.

2. In the process of acquiring knowledge, students accumulate experience in mathematical activities such as observation, operation, discussion, communication, abstraction and generalization, develop abstract thinking, use division with remainder to solve some simple practical problems, develop application consciousness, learn to cooperate with people, and communicate with people about the process and results of thinking.

3. Students feel the close connection between mathematics and life, realize the significance and function of mathematics, and further stimulate their interest in learning mathematics; Get a successful and pleasant experience in the process of independent thinking and cooperative communication, exercise the will to overcome difficulties and build self-confidence; Cultivate the attitude and habit of actively participating in learning activities.