1. Common sense of life, such as measuring the length and width of textbooks, measuring your height and weight with your parents, knowing the learning time of clocks and watches, and learning the unit price, quantity and total price by reading shopping receipts. ...

2. Write application questions, and use the knowledge you have learned to write and formulate application questions. The quantitative relationship does not need to be complicated, but it requires flexible form, complete structure and fluent sentences, such as harmony questions, difference questions, multiple questions, ... Parents are advised to accompany you.