Theme: Graphics and Objects

Part I: Plane graphics

1, right triangle and pythagorean theorem.

2. The nature and judgment of right triangle.

3. The concept and application of Pythagorean theorem.

4. Use Pythagorean Theorem to solve practical problems.

6. Contract graphics.

7. What is a contract graphic?

8, the nature of the contract graphics and judgment.

9. Apply contract graphics to solve problems.

Part II: Spatial graphics

1, the parallelogram is expanded into a rectangle.

2. Volume calculation of cubes, cuboids, prisms and pyramids.

3. Calculate the volume and surface area with the expansion diagram.

4. The concepts of point, line, surface and body.

5. Common geometric figures and their properties.

6. Understanding of space geometry.

7. Expansion of space geometry and volume calculation.

The third part: the movement and path of graphics.

1, the law and trajectory of rotation around a fixed point.

2. The law and trajectory of folding around a fixed point.

3. Use laws and trajectories to solve problems.

4. The essence and law of translation.

5. Nature, angle and direction of rotation.

6. The nature and method of folding.

7. Translation, rotation and folding of plane graphics.

8. Motion trajectory around a fixed point.

The benefits of learning mathematics

Mathematics focuses on the cultivation of logical reasoning and problem-solving ability. By studying mathematics, training the thinking mode of analysis, reasoning, induction and deduction, we can cultivate strict logical thinking ability. In mathematics learning, we need to face all kinds of abstract and complicated problems and use appropriate methods and strategies to solve them. This kind of thinking process can improve the ability to solve problems and cultivate good thinking habits and creative thinking.

Mathematics is a basic subject, and learning mathematics helps to establish a solid mathematical foundation and master the basic concepts, principles and methods of mathematics. Establish a solid mathematical literacy in academic and professional development to provide support for learning in various disciplines and fields. In mathematics learning, solving problems often requires gradual deduction and calculus, patience and perseverance.

Basic science and practical application: Mathematics is a basic science, which is closely related to natural science and engineering technology. Learning mathematics is helpful to deeply understand scientific principles and practice, and plays a role in solving practical problems and application fields, such as engineering calculation, financial analysis, data science and so on.