1. Mathematical knowledge: The mathematical knowledge in this unit includes but is not limited to decimals, fractions, percentages, etc. These knowledge points can be listed in the handwritten newspaper, with some relevant examples and answers, so that students can better understand these knowledge points.
2. Mathematical application: The mathematical application of this unit includes the calculation of area and perimeter, graphic transformation, etc. Some topics related to these applications can be designed in the handwritten newspaper, so that students can use their own mathematical knowledge to solve practical problems.
3. Mathematical culture: The mathematical culture of this unit includes the history of mathematics and the stories of mathematicians. You can introduce some mathematical culture related to this unit in the handwritten newspaper, such as which mathematician has made important contributions in this field, or what applications the knowledge points of this unit have in history.
The first volume of the fourth grade unit 3 mathematical knowledge points;
1, Understanding of large numbers: This part mainly introduces how to read and write large numbers, including tens of thousands, billions and other units. Through learning, students should be able to read the given large numbers correctly and compare the sizes. At the same time, students should also understand the basic concepts of decimal counting, such as all decimal ones.
2. Angle measurement: This part mainly introduces how to use protractor to measure angle. Students should be able to use protractor correctly, understand the unit of measurement of angles, and be able to measure the angles of different shapes.
3. Multiplication distribution law: This part mainly introduces the concept and application of multiplication distribution law. Multiplication and division is a common and simple calculation method, which can be used to solve some practical problems, such as calculating the area of combined graphics.
4. Simple calculation: This part mainly introduces how to carry out simple calculation, such as exchange method, combination method and distribution method. Through study, students should be able to master these calculation methods and use them to solve some practical problems.
5. Nature of division: This part mainly introduces the nature of division, including the relationship between dividend, divisor and quotient, and the order of division operation. Students should be able to understand the nature of division and use it to solve some practical problems.
6. Calculation of area and perimeter: This part mainly introduces how to calculate the area and perimeter of a graph. Students should be able to master the basic calculation methods of area and perimeter and use them to solve some practical problems.