Knowledge and skills:
1, experience the process of abstracting numbers from daily life and understand common quantities; Understand the meaning of four operations and master the necessary operation skills.
2. Experience the process of abstracting simple geometry and plane graphics from actual objects, and learn some simple geometry and common plane graphics; Feel translation, rotation and axial symmetry, and know the relative position of objects. Master the skills of preliminary measurement, reading and drawing.
Mathematical thinking:
1, can understand the information about numbers around you, and can describe simple phenomena in real life with numbers (appropriate dimensions). Develop a sense of numbers.
2. Develop the concept of space in the process of discussing the properties of simple objects.
3. Under the guidance of teachers, simple survey data can be classified.
The second stage of the stage goal (grades 4-6).
Knowledge and skills:
1, experience the process of abstracting numbers from specific situations; Understand the meaning of fractions and percentages, understand negative numbers, and master the necessary operation skills; Understand the meaning of estimation; Master the expression method of simple quantitative relationship and the method of solving simple equations with equations.
2. Explore the relationship between the shape, size and position of some graphics, and understand the basic characteristics of some geometric bodies and plane graphics; Experience the simple movement of graphics, understand the method of determining the position of objects, and master the basic methods of measurement, map recognition and drawing.
Mathematical thinking:
1, which can reasonably explain the digital information in life, and can describe simple problems in life with numbers (appropriate dimensions), letters and charts; Initially form a sense of numbers and develop a sense of symbols.
2. In the process of exploring the essence and movement phenomenon of simple graphics, the concept of space was initially formed.