2. Learn geometric figures: for example, learn the characteristics of basic figures such as circles, triangles and squares, such as the calculation of the circumference and area of a circle and the trilateral relationship of a triangle.
3. Clock and calendar learning: for example, learn the relationship between hours and minutes, know the seven days of the week, and how to calculate the date.
4. Learn fractions and decimals: For example, learn the basic concepts of fractions, such as numerator, denominator, true fraction and false fraction, and the basic concepts of decimals, such as the meaning of each digit after the decimal point.
5. Data collection and analysis: For example, simple data analysis is carried out through data collection in real life, such as the cost of family shopping, height and weight.
6. Learning probability: For example, learning the basic concepts of probability through activities such as dice rolling and card drawing.
7. Training of logical reasoning: For example, by solving some logical reasoning problems, train students' logical thinking ability.
8. Learn math games: For example, by playing some math-related games, such as Sudoku and Blackjack, students' interest in math can be improved.
9. Mathematical model of practical problems: For example, through the problems in real life, establish a mathematical model and then solve it with mathematical knowledge.
10. The application of mathematics in daily life: for example, learning how to solve problems in daily life by mathematical methods, such as calculating prices and distances.