1. Practical application in life: Through vivid examples, such as Xiao Ming bought three apples and four bananas with the same money, let students know that the application of multiplication and distribution law is very common in real life, which can help them calculate and solve problems quickly.
2. Easy-to-understand graphic representation: Through graphic representation, the principle of multiplication and division is displayed, so that students can understand and master the laws and methods of multiplication and division more intuitively.
3. Expansion and extension of knowledge points: After mastering the basic principles and applications of multiplication, division and distribution, the textbook will also briefly introduce multiplication, division, association and exchange to lay a better mathematical foundation for students and lay a foundation for further learning and mastering mathematical knowledge.
4. Exercise and evaluation: The textbook also helps students to consolidate their knowledge and cultivate their mathematical thinking and problem-solving abilities through a large number of exercise topics and classroom evaluations.