9下29.1《投影》传授教化反思(国外英文资料).docVIP

9下29.1《投影》教学反思(国外英文资料) Teaching reflection Projection and view is an important content of reflect the concept of space, is also the foundation of drawing three view drawing, but the students on the analysis of the spatial graphics problems cant carry on the strict logical reasoning, more is to use observation, abstract demonstration operation, intuitive reasoning, such as combination of intuitive thinking, therefore, this lesson I physical projection is used to draw the view, when the projection line and plane of vertical projection is called orthogonal projection, the object of the orthogonal projection is called the view of the object, through the interpretation of physical, understanding of the students has a certain improvement. projection into the whole chapter beginning day, is the foundation of subsequent learning projection and view, and is closely related to real life. Students have no intention of projection perception of life. According to the characteristics of the teaching materials and students cognition, the design, I have to think as follows: Design the teaching process according to the development of knowledge and students cognitive order: (1) grade students tends to gradually mature, particularly sensitive to new things, and is easy to accept, as a result, preparation before class and teaching in the process of creating problem situation should be more lively, intuitive image, and close to the students life, thus causes the student to the projection voluntary attention. In fact, projection existing in our students turn a blind eye to the life, teaching, we start with life consciously to extract fuzzy projection in mind. (2) grade students in generalization ability have certain basis, reasoning ability has yet to be developed, so teaching, the students can be fully discussed, analysis, and visual image to help them to perceive the significance of projection, and then through the active participation of students, deepen the understanding of the proj